In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries
Thc cii ibryonic gonads produce and secrete the steroid hormones that induce secondary sex differentiation in different species 1 - • The produetion of estrogeus, testosterone and progesterone l)v interstitial celis of the chick embryovary has been denionstrated in experiments in ovo and in vitro Es...
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| Lenguaje: | Español |
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Universidad Nacional Córdoba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología
1990
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| Acceso en línea: | https://revistas.unc.edu.ar/index.php/med/article/view/45108 |
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I10-R327-article-451082024-11-27T20:40:34Z In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries Ávila, Rodolfo Samar, María Elena Parisi de Fabro , Sofía a . Thc cii ibryonic gonads produce and secrete the steroid hormones that induce secondary sex differentiation in different species 1 - • The produetion of estrogeus, testosterone and progesterone l)v interstitial celis of the chick embryovary has been denionstrated in experiments in ovo and in vitro Estrogens would be responsible at the 7th day of in ovo incubation, of the evolution of the functional left ovary According to Case", onlv the celis of the gcrminative epithelium of the left ovary possess reCcptors for estrogens,thus originating the formation of a cortcx in this functional gonad and not in the right une. On the other hand, extragonadal facturs, such as gonadotrophins, would participate in gonadal differentiation. Invo1vemcnt of the bypophysis in the morphological and functional differentiation of the ovary in the chick embryo, has been considered in several studies 10 1 '-'u. Wbods and Week 18 established the functional hypophysealgonadal axis at 13 days of in ovo incabatían. However, the effects of individual gonadotrophins on the interstitial celis of the chick embryo remain unclear. Avila et al. 7and Grassi Milano 14 observed that when the female gonads were cultured without steroid or gonadotropbic hormones at the start of differentiation an herrnaphrodite left ovary and a male right OnC were formed. Kyparissi and Vakolopoulu 15 observed that the inoculation in ovo of FSH at he end of ernbryonic developmeist lcd Universidad Nacional Córdoba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología 1990-11-15 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unc.edu.ar/index.php/med/article/view/45108 10.31053/1853.0605.v48.n1-2.45108 Revista de la Facultad de Ciencias Médicas de Córdoba.; Vol. 48 No. 1-2 (1990); 13-18 Revista de la Facultad de Ciencias Médicas de Córdoba; Vol. 48 Núm. 1-2 (1990); 13-18 Revista da Faculdade de Ciências Médicas de Córdoba; v. 48 n. 1-2 (1990); 13-18 1853-0605 0014-6722 10.31053/1853.0605.v48.n1-2 spa https://revistas.unc.edu.ar/index.php/med/article/view/45108/45122 Derechos de autor 2024 Universidad Nacional de Córdoba http://creativecommons.org/licenses/by-nc/4.0 |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-327 |
| container_title_str |
Revista de la Facultad de Ciencias Médicas de Córdoba |
| language |
Español |
| format |
Artículo revista |
| topic |
. |
| spellingShingle |
. Ávila, Rodolfo Samar, María Elena Parisi de Fabro , Sofía a In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries |
| topic_facet |
. |
| author |
Ávila, Rodolfo Samar, María Elena Parisi de Fabro , Sofía a |
| author_facet |
Ávila, Rodolfo Samar, María Elena Parisi de Fabro , Sofía a |
| author_sort |
Ávila, Rodolfo |
| title |
In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries |
| title_short |
In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries |
| title_full |
In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries |
| title_fullStr |
In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries |
| title_full_unstemmed |
In vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries |
| title_sort |
in vitro effects of gonadotrophic and steroid hormones on the insterstitial cells of the chick embryo ovaries |
| description |
Thc cii ibryonic gonads produce and secrete the steroid hormones that induce secondary sex differentiation in different species 1 - • The produetion of estrogeus, testosterone and progesterone l)v interstitial celis of the chick embryovary has been denionstrated in experiments in ovo and in vitro Estrogens would be responsible at the 7th day of in ovo incubation, of the evolution of the functional left ovary According to Case", onlv the celis of the gcrminative epithelium of the left ovary possess reCcptors for estrogens,thus originating the formation of a cortcx in this functional gonad and not in the right une.
On the other hand, extragonadal facturs, such as gonadotrophins, would participate in gonadal differentiation. Invo1vemcnt of the bypophysis in the morphological and functional differentiation of the ovary in the chick embryo, has been considered in several studies 10 1 '-'u. Wbods and Week 18 established the functional hypophysealgonadal axis at 13 days of in ovo incabatían. However, the effects of individual gonadotrophins on the interstitial celis of the chick embryo remain unclear.
Avila et al. 7and Grassi Milano 14 observed that when the female gonads were cultured without steroid or gonadotropbic hormones at the start of differentiation an herrnaphrodite left ovary and a male right OnC were formed. Kyparissi and Vakolopoulu 15 observed that the inoculation in ovo of FSH at he end of ernbryonic developmeist lcd |
| publisher |
Universidad Nacional Córdoba. Facultad de Ciencias Médicas. Secretaria de Ciencia y Tecnología |
| publishDate |
1990 |
| url |
https://revistas.unc.edu.ar/index.php/med/article/view/45108 |
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2025-02-05T22:05:41Z |
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2025-02-05T22:05:41Z |
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