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What’s with the Hormones?: Endocrine Function of Female Reproduction

What’s with the Hormones?: Endocrine Function of Female Reproduction. Cassie Burrows. A diagram of a cows endocrine glands. Courtesy of http://nongae.gsnu.ac.kr/~cspark/teaching/chap4.html. Introduction. What are hormones?

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What’s with the Hormones?: Endocrine Function of Female Reproduction

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  1. What’s with the Hormones?: Endocrine Function of Female Reproduction Cassie Burrows A diagram of a cows endocrine glands Courtesy of http://nongae.gsnu.ac.kr/~cspark/teaching/chap4.html

  2. Introduction • What are hormones? • Chemicals secreted by the body that control and regulate body function!

  3. Introduction • How are hormones secreted in the body? • Endocrine Glands • Ductless and secreted directly into the bloodstream • Exocrine Glands • Secretions released into ducts that lead to body surface or to cavities and their surfaces within the body

  4. Trivia! • What organ in the body is both an endocrine gland and an exocrine gland? The Pancreas!

  5. Primary Hormones of Female Reproduction • Estrogen • Follicle Stimulating Hormone • Luteinizing Hormone • Gonadotropin Releasing Hormone • Oxytocin • Progesterone • Prostaglandin

  6. Estrogen Man applying back pressure to sow to see if she is in standing heat • Endocrine Gland • Ovaries • Function • Causes the estrus behavior

  7. Follicle Stimulating Hormone • Endocrine Gland • Anterior Pituitary • Function • Growth and Maturation of follicles • Used in Superovulation

  8. Luteinizing Hormone • Endocrine Gland • Anterior Pituitary • Function • Causes ovulation • Works with FSH in follicular development • Used to treat follicular cysts

  9. Gonadotropin Releasing Hormone • Endocrine Gland • Hypothalamus • Function • Same function as LH; LH>GnRH • Use to treat follicular cysts over LH! • Causes release of FSH and LH

  10. Oxytocin • Endocrine Gland • Hypothalamus • Function • Expulsion of Retained Placenta • IN FIRST 24 HOURS • Milk Letdown

  11. Progesterone • Endocrine Gland • Placenta and Corpus Luteum • First the CL and then the Placenta • Function • Maintenance of pregnancy • Inhibits heat • Estrus Synchronization

  12. Prostaglandin • Endocrine Gland • Endometrium • Function • Luteolytic • Induction of Labor • Estrus Synchronization • Retained Placenta’s • AFTER 24 HOURS

  13. And that’s the Birds and the Bees… http://www.partners-in-reproduction.com/images/feedbackfemale.jpg

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