Document Detail

Sex steroids and spermatogenesis in the African catfish (Clarias gariepinus).
MedLine Citation:
PMID:  15804864     Owner:  NLM     Status:  MEDLINE    
Little is known about the physiological regulations of spermatogenesis of the African catfish (Clarias gariepinus), a species used as an experimental model for two decades. After a brief introduction to the cystic type of spermatogenesis in fish, the role of androgens and estrogens will be discussed, leading to a conclusion that androgens are required for spermatogenesis while their mode of action is poorly understood. In the cystic mode of spermatogenesis in fish, the Sertoli cells are formed cystic, in the somniferous lobules enclosing a single germ cell clone, providing suitable experimental models to address questions of relevance for vertebrate spermatogenesis in general.
J E B Cavaco
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Archives of andrology     Volume:  51     ISSN:  0148-5016     ISO Abbreviation:  Arch. Androl.     Publication Date:    2005 Mar-Apr
Date Detail:
Created Date:  2005-04-04     Completed Date:  2005-06-28     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7806755     Medline TA:  Arch Androl     Country:  England    
Other Details:
Languages:  eng     Pagination:  99-107     Citation Subset:  IM    
Universidade de Beira Interior, Faculty of Health Sciences, CICS, Rua Marques d'Avila e Bolama, 6201-001 Covilha, Portugal.
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MeSH Terms
Catfishes / physiology*
Gonadal Steroid Hormones / physiology*
Spermatogenesis / physiology*
Steroids / physiology*
Reg. No./Substance:
0/Gonadal Steroid Hormones; 0/Steroids

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