File:Nematode C. elegans Anatomy Relating to the Control of Meiotic Maturation.jpg
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| Description | Figure 2. Anatomy Relating to the Control of Meiotic Maturation. (A) Representation of the adult hermaphrodite gonad. The anterior arm (on the left) shows the germ line and the posterior arm (on the right) shows the somatic cells of the gonad arm. Ten gonadal sheath cells cover the gonad arm. The position of one member of each pair is shown (1-5). The proximal sheath cells (pairs 3-5) contract to drive ovulation. (B) Dissected gonad from a wild-type young adult hermaphrodite illustrating oogenic meiotic progression. Bars, 10 μm. Photograph modified from Berry et al. (1997) with permission. (C) Immunofluorescent micrograph of the contractile proximal gonadal sheath cells (pairs 3-5). Nuclei detected by DAPI staining (blue) and myofilaments in red (MHCA) and green (MHCB). Reproduced from Hubbard and Greenstein (2000) with permission. (D) Gap junction (gj) between oocyte and proximal sheath cell. Photograph modified from Hall et al. (1999) with permission. (E) High magnification view of a freeze-fracture replica of sheath cell 4 covering the –2 oocyte. Clustered intra-membrane particles and pits correspond to gap junctional channels (GJ) between the oocyte and sheath cell. Irregular sheath pores (p) form fenestrae through which the oocyte surface is visible. Photograph modified from Hall et al. (1999) with permission. |
| Date | |
| Source | http://www.wormbook.org/chapters/www_controloocytematuration/controloocytematuration.html Greenstein, D. Control of oocyte meiotic maturation and fertilization (December 28, 2005), WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.53.1, http://www.wormbook.org. |
| Author | Greenstein, D. |
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http://www.wormbook.org/chapters/www_controloocytematuration/controloocytematuration.html Greenstein, D. Control of oocyte meiotic maturation and fertilization (December 28, 2005), WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.53.1, http://www.wormbook.org., was reviewed on 27 February 2024 by reviewer Yann, who confirmed that it was available there under the stated license on that date.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 10:36, 27 February 2024 | | 1,800 × 2,281 (2.41 MB) | Rasbak (talk | contribs) | {{Information |description=Figure 2. Anatomy Relating to the Control of Meiotic Maturation. (A) Representation of the adult hermaphrodite gonad. The anterior arm (on the left) shows the germ line and the posterior arm (on the right) shows the somatic cells of the gonad arm. Ten gonadal sheath cells cover the gonad arm. The position of one member of each pair is shown (1-5). The proximal sheath cells (pairs 3-5) contract to drive ovulation. (B) Dissected gonad from a wild-type young adult herm... |
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