Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853)
The embryonic development of the Mosquito fish(Gambusia affinis) eye lens was investigated using light microscopy .The results indicated that the embryonic development of the lens does not correspond to that of the non spherical lenses of terrestrial vertebrates .This study showed that a very smal...
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| Language: | English |
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University of Baghdad, College of Science for Women
2007-12-01
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| Series: | مجلة بغداد للعلوم |
| Online Access: | http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/832 |
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| author | Baghdad Science Journal |
| author_facet | Baghdad Science Journal |
| author_sort | Baghdad Science Journal |
| collection | DOAJ |
| description | The embryonic development of the Mosquito fish(Gambusia affinis) eye lens was investigated using light microscopy .The results indicated that the embryonic development of the lens does not correspond to that of the non spherical lenses of terrestrial vertebrates .This study showed that a very small cavity in the lens vesicle appears during development ,but it differs from that of the mammalian lens.
The most important aspect in this study is that ,the posterior edge of the simple cuboidal epithelium which covers the anterior half of the surface of the lens is situated well beyond the equatorial region of the lens .As a result , the germinal and transitional zones became closer to the posterior pole rather than the anterior pole of the lens.
This might be an important factor in causing the lens to be spherical rather than being biconvex. |
| format | Article |
| id | doaj-art-a7461938282f4cd3a026f6a6d7903ca4 |
| institution | Kabale University |
| issn | 2078-8665 2411-7986 |
| language | English |
| publishDate | 2007-12-01 |
| publisher | University of Baghdad, College of Science for Women |
| record_format | Article |
| series | مجلة بغداد للعلوم |
| spelling | doaj-art-a7461938282f4cd3a026f6a6d7903ca42025-08-20T03:35:53ZengUniversity of Baghdad, College of Science for Womenمجلة بغداد للعلوم2078-86652411-79862007-12-014410.21123/bsj.4.4.505-511Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853)Baghdad Science JournalThe embryonic development of the Mosquito fish(Gambusia affinis) eye lens was investigated using light microscopy .The results indicated that the embryonic development of the lens does not correspond to that of the non spherical lenses of terrestrial vertebrates .This study showed that a very small cavity in the lens vesicle appears during development ,but it differs from that of the mammalian lens. The most important aspect in this study is that ,the posterior edge of the simple cuboidal epithelium which covers the anterior half of the surface of the lens is situated well beyond the equatorial region of the lens .As a result , the germinal and transitional zones became closer to the posterior pole rather than the anterior pole of the lens. This might be an important factor in causing the lens to be spherical rather than being biconvex.http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/832 |
| spellingShingle | Baghdad Science Journal Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853) مجلة بغداد للعلوم |
| title | Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853) |
| title_full | Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853) |
| title_fullStr | Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853) |
| title_full_unstemmed | Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853) |
| title_short | Embryonic Development of Eye Lens in Mosquito fish Gambusia affinis (Baird and Girard, 1853) |
| title_sort | embryonic development of eye lens in mosquito fish gambusia affinis baird and girard 1853 |
| url | http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/832 |
| work_keys_str_mv | AT baghdadsciencejournal embryonicdevelopmentofeyelensinmosquitofishgambusiaaffinisbairdandgirard1853 |