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Sex |
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SEX. The physical difference between male and female in animals.
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? References in periodicals archive |
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This communication is accomplished through the endocrine system, which controls sex differentiation through complex interactions between the central nervous system and gonads using pituitary-derived gonadotropins and sex steroids produced in the gonad and brain (Nagahama 1994). Previous studies have suggested a link between deformities in fish and sex steroids entering streams after livestock consumed them in feed and then excreted them (SN: 1/5/02, p. The loss of sex steroids also increased the level of haemopoietic stem cells in the bone marrow. |
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