CN2442346Y - Mitosis combined model of plant cell - Google Patents
Mitosis combined model of plant cell Download PDFInfo
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- CN2442346Y CN2442346Y CN 00226779 CN00226779U CN2442346Y CN 2442346 Y CN2442346 Y CN 2442346Y CN 00226779 CN00226779 CN 00226779 CN 00226779 U CN00226779 U CN 00226779U CN 2442346 Y CN2442346 Y CN 2442346Y
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Abstract
The utility model relates to a mitosis combined model of a plant cell, which comprises a cell wall, a cell membrane, a spindle, a set of cell nuclei, a set of cell nuclei, a set of chromosomes and a set of chromatin substances, and furthermore, the cell wall, the cell membrane, the spindle, a set of cell nuclei, a set of cell nuclei, a set of chromosomes and a set of chromatin substances are respectively assembled to be arranged into an interphase model, a prophase model, a metaphase model, an anaphase model and a telophase model in the mitosis process of the plant cell. The utility model has the characteristic that the abstract and deep microprocess is visually and realistically transparentized and is caused to have the three-dimensional feeling, and the change process which can be seen only by observation is changed into the dynamic operation that the teacher and the student simulate and mount by hands, which causes the student to be easy to understand, quickly master the change process, etc. The utility model can be widely used for the biology teaching of junior college and the technical secondary school.
Description
The utility model relates to a kind of teaching aid model, particularly a kind of can be by the upright member of a component, through aggregate erection, can show the plant cell mitosis built-up pattern of plant cell mitosis process.
In bioconversion medium, plant cell mitosis is the abstract dynamic changing process of a microcosmic, and the student understands very difficulty of this part knowledge, particularly wherein relevant chromosomal number, behavior and form etc., and it understands just more hard to imagine.But existing technical scheme has only wall chart and compressing tablet experiment.Wall chart can only simply be showed the general picture of plant cell mitosis process; Though and compressing tablet experiment can be observed the mitosis process, the experimental implementation difficulty is big, time-consuming, it is fuzzy to observe, and especially chromosomal number, form and shape be clear with regard to more difficult observation, and is smudgy all the time after causing the student to learn, and understands not dark.
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and provides a kind of component of passing through to found member, constitute " interval ", " in earlier stage ", " mid-term ", " later stage " and the one group of plant cell mitosis built-up patterns that can show the plant cell mitosis process such as " latter stages " respectively through aggregate erection.
The solution that realizes the utility model purpose is: a kind of plant cell mitosis built-up pattern, comprise by a cell membrane and cell membrane, a spindle, one group of nucleus, one group of kernel, one group chromosome and one group of chromatin, and then with its respectively combine analog be mounted to " interval " of plant cell mitosis process, " in earlier stage ", " mid-term ", " later stage " and " model in latter stage; its special feature is: described cell membrane and cell membrane are a cuboid hollow frame; described spindle can be by the spindle fiber of one group of arcuation steel wire with on it; lower end intersects fixedly connected respectively; and then constitute the hollow framework of likeness in form fusiformis; described nucleus can be one three circular spheroid framework, described kernel can be a red decorative pattern elastic force ball, described chromosome comprises one group of prophase chromosomes, one group of metaphase chromosome and one group of anaphasic chromosome, its each prophase chromosomes comprises four prophase chromosomes arms being made by two red leads arranged side by side and transparently is connected the kinetochore that ball is fixed to constitute on it by one, its each metaphase chromosome comprises that four chromosome arms being made of four red latex heads transparently are connected the kinetochore that ball is connected as a single entity and constitutes with four latexes being held end to end through one, its each anaphasic chromosome comprises that two chromosome arms being made of two red latex heads transparently are connected the kinetochore that ball is connected as a single entity and constitutes with two latexes being held end to end through one, described chromatin comprise one group interval chromatin and one group latter stage chromatin, its each interval chromatin comprise constitute by two red leads of monofilament arranged side by side four interval the chromatin arm be fixed in a kinetochore that is constituted on its chromatin arm by a transparent ball that is connected interval, its each latter stage chromatin comprise constitute by the red lead of single monofilament two latter stage the chromatin wall be fixed in the kinetochore that constituted on the chromatin arm its latter stage by a transparent ball that is connected.
" interval " model of plant cell mitosis process described in the utility model, comprise a cell arm and cell membrane, a nucleus, kernel and one group respectively by four interval chromatin arm and the interval chromatin that the kinetochore constitutes, described nucleus is on it, the connecting link of lower end is anchored on the center of described cell membrane and cell membrane cuboid hollow frame, be equipped with in it one group interval a chromatin and kernel, described kernel through one group interval chromatin hang on described nuclear center, described chromatinic interval of each interval,, a kinetochore fixedly was equipped with in the middle section of chromatin arm, and its four terminations are anchored on respectively on the described nuclear three circular spheroid frameworks.
" in earlier stage " model of plant cell mitosis process described in the utility model, comprise a cell membrane and cell membrane, spindle and one group are respectively by four prophase chromosomes arms and the prophase chromosomes that the kinetochore constitutes, described spindle is on it, the connecting link of lower end vertically is anchored on the center of described cell membrane and cell membrane cuboid hollow frame along its axis direction, one group of prophase chromosomes is housed in its cavity, a kinetochore fixedly is equipped with in the middle section of the prophase chromosomes arm of described each prophase chromosomes, and its four terminations are anchored on respectively on the arcuation spindle fiber of described spindle.
" mid-term " model of plant cell mitosis process described in the utility model, comprise a cell membrane and cell membrane, spindle and one group are respectively by four chromosome arms and the metaphase chromosome that the kinetochore constitutes, described spindle is on it, the connecting link of lower end vertically is anchored on the center of described cell membrane and cell membrane cuboid hollow frame along its axis direction, one group of metaphase chromosome is housed in it, the tail end of four chromosome arms of described each metaphase chromosome likeness in form latex head is fixed with a kinetochore, and through it described four dyeing body wall arms is anchored on the spindle fiber at described spindle equatorial plate position.
" later stage " model of plant cell mitosis process described in the utility model, comprise a cell membrane and cell membrane, one with the arcuation spindle fiber is alternate clip in the middle of one section and keep, down the spindle of corresponding spindle fiber free-end and one group are respectively by two chromosome arms and the anaphasic chromosome that the kinetochore constitutes, described spindle is on it, the connecting link of lower end vertically is anchored on the center of described cell membrane and cell cuboid hollow frame along its axis direction, one group of anaphasic chromosome is housed in it, the tail end of two chromosome arms of described each anaphasic chromosome likeness in form latex head is fixed with a kinetochore, and through it described two chromosome arms is anchored on the spindle fiber free-end of described spindle.
" latter stage " model of plant cell mitosis process described in the utility model, comprise a cell membrane and cell membrane, two nucleus, two kernels and one group respectively by two latter stage chromatin arm and the chromatin in latter stage that the kinetochore constitutes, described two nucleus are respectively on it, the connecting link of lower end vertically is anchored on the center of described cell membrane and the cell membrane cuboid hollow frame first half and Lower Half respectively, in it respectively correspondence be equipped with one group latter stage a chromatin and kernel, described two kernels respectively through latter stage chromatin hang on described on, following two nuclear centers, described chromatinic latter stage in each latter stage, a kinetochore fixedly was equipped with in the middle section of chromatin arm, and two termination is anchored on respectively on the described nuclear three circular spheroid frameworks.
Accompanying drawing has been described a preferred embodiment of the present utility model.
Fig. 1 is the structure principle chart of cell membrane and cell membrane among the utility model embodiment.
Fig. 2 is the structure principle chart of metaphase chromosome among the utility model embodiment.
Fig. 3 is a chromosomal structure principle chart of the utility model embodiment middle and later periods.
Fig. 4 is " interval " structure of models schematic diagram among the utility model embodiment.
Fig. 5 is " in earlier stage " structure of models schematic diagram among the utility model embodiment.
Fig. 6 is " mid-term " structure of models schematic diagram among the utility model embodiment.
Fig. 7 is " later stage " structure of models schematic diagram among the utility model embodiment.
Fig. 8 is " latter stage " structure of models schematic diagram among the utility model embodiment.
Below in conjunction with accompanying drawing content of the present utility model is described in detail.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 knows: the utility model comprises by a cell membrane and cell membrane 1, a spindle 11, one group of nucleus 6, one group of kernel 7, one group chromosome and one group of chromatin, and then with its respectively combine analog be mounted to " interval " of plant cell mitosis process, " in earlier stage ", " mid-term ", the model in " later stage " and " latter stage ", described cell membrane and cell membrane 1 are a cuboid hollow frame, described spindle 11 can be by the spindle fiber 12 of one group of arcuation steel wire with on it, lower end intersects fixedly connected respectively, and then the hollow framework of formation likeness in form fusiformis, described nucleus 6 can be one three circular spheroid framework, described kernel 7 can be a red decorative pattern elastic force ball, described chromosome comprises one group of prophase chromosomes 13, one group of metaphase chromosome 2 and one group of anaphasic chromosome 5, its each prophase chromosomes 13 comprises four prophase chromosomes arms 14 being made by two red leads arranged side by side and transparently is connected the kinetochore 4 that ball is fixed to constitute on it by one, its each metaphase chromosome 2 comprises that four chromosome arms 3 being made of four red latex heads transparently are connected the kinetochore 4 that ball is connected as a single entity and constitutes with four latexes being held end to end through one, its each anaphasic chromosome 5 comprises that two chromosome arms 3 being made of two red latex heads transparently are connected the kinetochore 4 that ball is connected as a single entity and constitutes with two latexes being held end to end through one, described chromatin comprise one group interval chromatin 8 and one group latter stage chromatin 16, its each interval chromatin 8 comprise constitute by two red leads of monofilament arranged side by side four interval chromatin arm 9 be fixed in a kinetochore 4 that is constituted on its chromatin arm 9 by a transparent ball that is connected interval, its each latter stage chromatin 16 comprise constitute by the red lead of single monofilament two latter stage chromatin arm 17 be fixed in the kinetochore 4 that its is constituted on chromatin arm 17 in latter stage by a transparent ball that is connected.
" interval " model of the described plant cell mitosis process of the utility model embodiment, comprise a cell membrane and cell membrane 1, a nucleus 6, kernel 7 and one group respectively by four interval chromatin the arm 9 and interval chromatin 8 that constitutes of kinetochore 4, described nucleus 6 is on it, the connecting link 10 of lower end is anchored on the center of described cell membrane and cell membrane 1 cuboid hollow frame, be equipped with in it one group interval chromatin 8 an and kernel 7, described kernel 7 through one group interval chromatin 8 hang on the center of described nucleus 6, described each,, a kinetochore 4 fixedly was equipped with in chromatin 8 interval chromatin arm 9 middle section interval, and its four terminations are anchored on respectively on the three circular spheroid frameworks of described nucleus 6.
" in earlier stage " model of the described plant cell mitosis process of the utility model embodiment, comprise a cell membrane and cell membrane 1, spindle 11 and one group are respectively by four prophase chromosomes arms 14 and the prophase chromosomes 13 that the kinetochore constitutes, described spindle 11 is on it, the connecting link 10 of lower end vertically is anchored on the center of described cell membrane and cell membrane 1 cuboid hollow frame along its axis direction, one group of prophase chromosomes 13 is housed in its cavity, a kinetochore 4 fixedly is equipped with in the middle section of the prophase chromosomes arm 14 of described each prophase chromosomes 13, and its four terminations are anchored on respectively on the arcuation spindle fiber 12 of described spindle 11.
" mid-term " model of the described plant cell mitosis process of the utility model embodiment, comprise a cell membrane and cell membrane 1, spindle 11 and one group are respectively by four chromosome arms 3 and the metaphase chromosome 2 that kinetochore 4 constitutes, described spindle 11 is on it, the connecting link 10 of lower end vertically is anchored on the center of described cell membrane and cell membrane 1 cuboid hollow frame along its axis direction, one group of metaphase chromosome 2 is housed in it, and the tail end of four chromosome arms 3 of described each metaphase chromosome 2 likeness in form latex head is fixed with a kinetochore 4, and described four chromosome arms 3 are anchored on the spindle fiber 12 at described spindle 11 equatorial plate positions through it.
" later stage " model of the described plant cell mitosis process of the utility model embodiment, comprise a cell membrane and cell membrane 1, one with arcuation spindle fiber 12 is alternate clip in the middle of one section and on keeping, down the spindle 11 of corresponding spindle fiber free-end 15 and one group are respectively by two chromosome arms 3 and the anaphasic chromosome 5 that kinetochore 4 constitutes, described spindle 11 is on it, the connecting link 10 of lower end vertically is anchored on the center of described cell membrane and cell membrane 1 cuboid hollow frame along its axis direction, one group of anaphasic chromosome 5 is housed in it, the tail end of two chromosome arms 3 of described each anaphasic chromosome 5 likeness in form latex head is fixed with a kinetochore 4, and through it described two chromosome arms 3 is anchored on the spindle fiber free-end 15 of described spindle 11.
" latter stage " model of the described plant cell mitosis process of the utility model embodiment, comprise a cell membrane and cell membrane 1, two nucleus 6, two kernels 7 and one group respectively by two latter stage chromatin the arm 17 and chromatin 16 in latter stage that constitutes of kinetochore 4, described two nucleus 6 are respectively on it, the connecting link 10 of lower end vertically is anchored on the center of described cell membrane and the cell membrane 1 cuboid hollow frame first half and Lower Half respectively, in it respectively correspondence be equipped with one group latter stage chromatin 16 an and kernel 7, described two kernels 7 respectively through latter stage chromatin 16 hang on described on, the center of following two nucleus 6, described each, a kinetochore 4 fixedly was equipped with in chromatin chromatin arm in latter stage of 16 17 middle section in latter stage, and two termination is anchored on respectively on the three circular spheroid frameworks of described nucleus 6.
The utility model embodiment principle of work is as follows: in teaching process, the teacher can tell about visual in imagely and show the variation characteristic of each phase of plant cell mitosis in conjunction with each member explanation and progressively assembling demonstration; Instruction of papil simulation assembling experiment is so that accurately firmly grasp course content.
In conjunction with the foregoing description as can be seen, the utility model is compared existing technology and is had following advantage.
1. rational in infrastructure, easy and simple to handle;
2. with abstract microprocess lifelike image ground stereo transparentization hard to understand, be convenient to teaching demonstration and understanding;
3. the change procedure that will can only observe originally becomes the mobilism operation that the movable fingerprint of teachers and students is intended installation, is easy to accurately understand and quick the grasp.
The utility model can be widely used in greatly, in the Biology Teaching of special secondary school's basic subject.
Claims (6)
1. plant cell mitosis built-up pattern, comprise by a cell membrane and cell membrane (1), a spindle (11), one group of nucleus (6), one group of kernel (7), one group chromosome and one group of chromatin, and then with its respectively combine analog be mounted to " interval " of plant cell mitosis process, " in earlier stage ", " mid-term ", the model in " later stage " and " latter stage ", it is characterized in that: described cell membrane and cell membrane (1) are a cuboid hollow frame, described spindle (11) can be by the spindle fiber (12) of one group of arcuation steel wire with on it, lower end intersects fixedly connected respectively, and then the hollow framework of formation likeness in form fusiformis, described nucleus (6) can be one three circular spheroid framework, described kernel (7) can be a red decorative pattern elastic force ball, described chromosome comprises one group of prophase chromosomes (13), one group of metaphase chromosome (2) and one group of anaphasic chromosome (5), its each prophase chromosomes (13) comprises four prophase chromosomes arms (14) of being made by two red leads arranged side by side and transparently is connected the kinetochore (4) that ball is fixed to constitute on it by one, its each metaphase chromosome (2) comprises that four chromosome arms (3) of being made of four red latex heads transparently are connected the kinetochore (4) that ball is connected as a single entity and constitutes with four latexes being held end to end through one, its each anaphasic chromosome (5) comprises that two chromosome arms (3) of being made of two red latex heads transparently are connected the kinetochore (4) that ball is connected as a single entity and constitutes with two latexes being held end to end through one, described chromatin comprises one group of interval chromatin (8) and one group of chromatin in latter stage (16), its each interval chromatin (8) comprises four interval chromatin arms (9) of being made of two red leads of monofilament arranged side by side and is fixed in a kinetochore (4) that is constituted on its interval chromatin arm (9) by a transparent ball that is connected, and its each chromatin in latter stage (16) comprises two chromatin arms in latter stage (17) of being made of the red lead of single monofilament and is fixed in a kinetochore (4) that is constituted on its chromatin arm in latter stage (17) by a transparent ball that is connected.
2. plant cell mitosis built-up pattern as claimed in claim 1, it is characterized in that: " interval " model of described plant cell mitosis process, comprise a cell membrane and cell membrane (1), a nucleus (6), a kernel (7) and one group of interval chromatin (8) that constitutes by four interval chromatin arms (9) and a kinetochore (4) respectively, described nucleus (6) is on it, the connecting link of lower end (10) is anchored on the center of described cell membrane and cell membrane (1) cuboid hollow frame, an one group of interval chromatin (8) and a kernel (7) are housed in it, described kernel (7) hangs on the center of described nucleus (6) through one group of interval chromatin (8), a kinetochore (4) fixedly is equipped with in the middle section of the interval chromatin arm (9) of described each interval chromatin (8), and its four terminations are anchored on respectively on the three circular spheroid frameworks of described nucleus (6).
3. plant cell mitosis built-up pattern as claimed in claim 1, it is characterized in that: " in earlier stage " model of described plant cell mitosis process, comprise a cell membrane and cell membrane (1), a spindle (11) and one group of prophase chromosomes (13) that constitutes by four prophase chromosomes arms (14) and a kinetochore respectively, described spindle (11) is on it, the connecting link of lower end (10) vertically is anchored on the center of described cell membrane and cell membrane (1) cuboid hollow frame along its axis direction, one group of prophase chromosomes (13) is housed in its cavity, a kinetochore (4) fixedly is equipped with in the middle section of the prophase chromosomes arm (14) of described each prophase chromosomes (13), and its four terminations are anchored on respectively on the arcuation spindle fiber 12 of described spindle (11).
4. as claim 1 or 2 or 3 described plant cell mitosis built-up patterns, it is characterized in that: " mid-term " model of described plant cell mitosis process, comprise a cell membrane and cell membrane (1), a spindle (11) and one group of metaphase chromosome (2) that constitutes by four chromosome arms (3) and a kinetochore (4) respectively, described spindle (11) is on it, the connecting link of lower end (10) vertically is anchored on the center of described cell membrane and cell membrane (1) cuboid hollow frame along its axis direction, one group of metaphase chromosome (2) is housed in it, and the tail end of four chromosome arms (3) of described each metaphase chromosome (2) likeness in form latex head is fixed with a kinetochore (4), and described four chromosome arms (3) are anchored on the spindle fiber (12) at described spindle (11) equatorial plate position through it.
5. plant cell mitosis built-up pattern as claimed in claim 4, it is characterized in that: " later stage " model of described plant cell mitosis process, comprise a cell membrane and cell membrane (1), one with arcuation spindle fiber (12) is alternate clip in the middle of one section and keep, the spindle (11) of following corresponding spindle fiber free-end (15) and one group of anaphasic chromosome (5) that constitutes by two chromosome arms (3) and a kinetochore (4) respectively, described spindle (11) is on it, the connecting link of lower end (10) vertically is anchored on the center of described cell membrane and cell membrane (1) cuboid hollow frame along its axis direction, one group of anaphasic chromosome (5) is housed in it, the tail end of two chromosome arms (3) of described each anaphasic chromosome (5) likeness in form latex head is fixed with a kinetochore (4), and through it described two chromosome arms (3) is anchored on the spindle fiber free-end (15) of described spindle (11).
6. plant cell mitosis built-up pattern as claimed in claim 4, it is characterized in that: " latter stage " model of described plant cell mitosis process, comprise a cell membrane and cell membrane (1), two nucleus (6), two kernels (7) and one group of chromatin in latter stage (16) that constitutes by two chromatin arms in latter stage (17) and a kinetochore (4) respectively, described two nucleus (6) are respectively on it, the connecting link of lower end (10) vertically is anchored on the center of described cell membrane and cell membrane (1) the cuboid hollow frame first half and Lower Half respectively, in it respectively correspondence one a group of chromatin in latter stage (16) and a kernel (7) are housed, described two kernels (7) respectively through chromatin in latter stage (16) hang on described on, the center of following two nucleus (6), a kinetochore (4) fixedly is equipped with in the middle section of the chromatin arm in latter stage (17) of described each chromatin in latter stage (16), and two termination is anchored on respectively on the three circular spheroid frameworks of described nucleus (6).
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| CN 00226779 CN2442346Y (en) | 2000-09-08 | 2000-09-08 | Mitosis combined model of plant cell |
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| CN 00226779 CN2442346Y (en) | 2000-09-08 | 2000-09-08 | Mitosis combined model of plant cell |
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| CN2442346Y true CN2442346Y (en) | 2001-08-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831814A (en) * | 2012-09-06 | 2012-12-19 | 苏州大学 | Model teaching aid of endotoxin of cell walls of gram-negative bacteria |
| CN103310685A (en) * | 2013-07-03 | 2013-09-18 | 苏州大学 | Eukaryote chromosome mode structure teaching aid |
| CN105825753B (en) * | 2016-05-17 | 2018-08-24 | 郭士安 | A kind of fissional teaching mode of demonstration |
| CN109272825A (en) * | 2018-11-08 | 2019-01-25 | 贵州师范学院 | A kind of teaching aids making method of stomata folding |
-
2000
- 2000-09-08 CN CN 00226779 patent/CN2442346Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831814A (en) * | 2012-09-06 | 2012-12-19 | 苏州大学 | Model teaching aid of endotoxin of cell walls of gram-negative bacteria |
| CN102831814B (en) * | 2012-09-06 | 2015-09-23 | 苏州大学 | A kind of gram-negative bacteria cell membrane endotoxin model teaching aid |
| CN103310685A (en) * | 2013-07-03 | 2013-09-18 | 苏州大学 | Eukaryote chromosome mode structure teaching aid |
| CN103310685B (en) * | 2013-07-03 | 2015-05-27 | 苏州大学 | Eukaryote chromosome mode structure teaching aid |
| CN105825753B (en) * | 2016-05-17 | 2018-08-24 | 郭士安 | A kind of fissional teaching mode of demonstration |
| CN109272825A (en) * | 2018-11-08 | 2019-01-25 | 贵州师范学院 | A kind of teaching aids making method of stomata folding |
| CN109272825B (en) * | 2018-11-08 | 2020-08-04 | 贵州师范学院 | Manufacturing method of teaching aid for air hole opening and closing |
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