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Peripheral Endocrines in Bat Reproduction-3

Kwiecinski, Gary G. ; Damassa, David A.

Reproductive Biology of Bats, Chapter 3, pp.65-89

ISBN: 978-0-12-195670-7 ; DOI: 10.1016/B978-012195670-7/50004-7

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  • Nhan đề:
    Peripheral Endocrines in Bat Reproduction-3
  • Tác giả: Kwiecinski, Gary G. ; Damassa, David A.
  • Là 1 phần của: Reproductive Biology of Bats, Chapter 3, pp.65-89
  • Mô tả: Most bat species exhibit only one or two reproductive cycles per year, typically producing a single young. This chapter reviews the current knowledge about some of the non-reproductive endocrine factors in bats and assesses their possible interactions in modulating reproductive timing. The chapter pays particular attention to the role of sex hormone-binding globulin (SHBG) in asynchronous reproductive cycles. Many endocrine factors that are classically considered non-reproductive or peripheral to the hypothalamic-pituitary-gonadal axis have been implicated in the control of reproductive processes. These include hormones of the thyroid, adrenal and pancreas, as well as specific extracellular binding proteins for these hormones and for the sex steroids. In certain vespertilionid and rhinolophid bats, males undergo spermatogenesis in one season and mate in another, storing their sperm in the reproductive tract. Strategies such as these enable bats to separate the different components of their reproductive cycle, timing energetically expensive parts with maximum food availability. Such asynchronous (disassociative) reproduction depends on monitoring environmental changes and selectively initiating appropriate reproductive responses. The linking of internal conditions for optimal reproductive effort with environmental changes likely involves the central nervous system and a variety of reproductive and peripheral endocrine regulatory factors.
  • Năm xuất bản: 2000
  • Ngôn ngữ: English;French;Italian
  • Số nhận dạng: ISBN: 978-0-12-195670-7 ; DOI: 10.1016/B978-012195670-7/50004-7

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