Review An S 331
Popular in Domestic Animal Reproduction
Popular in Animal Science and Zoology
This 3 page Class Notes was uploaded by abirkenholtz on Thursday April 21, 2016. The Class Notes belongs to An S 331 at Iowa State University taught by Dr. Youngs in Spring 2016. Since its upload, it has received 11 views. For similar materials see Domestic Animal Reproduction in Animal Science and Zoology at Iowa State University.
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Date Created: 04/21/16
ANS 331 Review (01-27-16) Vocabulary: splanchnic mesoderm somatic mesoderm primitive gut/yolk sac allantois amnion chorion mesonephros mesonephric (Wolffian) ducts mesonephric tubules urogenital sinus metanephros paramesonephric (Mullarian) ducts undifferentiated gonad mesenchyme gonadal ridge primary sex chords chemotactic signal sustenacular (Sertoli) cells interstitial (Leydig) cells seminiferous tubules Fox2L gene secondary sex chords follicle cells monotocous polytocous Freemartinism infertile avascularized placental tips anterior lobe posterior lobe innervated diverticulum Rathke’s pouch stomodeum adenohypophysis neurohypophysis hypothalamus sphenoid bone sella turcica Allantois: ________________________________________________________________________ _____________ Amnion: ________________________________________________________________________ ______________ Chorion: ________________________________________________________________________ ______________ Temporary kidney = True kidney = What gene initiates the development of the testes and the male reproductive system? What PGCs cells enter the primary sex chords to create which sex in mammals? What PGCs do not enter the primary sex chords to create which sex in mammals? In males, the non-PGC cells that enter the primary sex chords, and the non-PGC cells that do not, become what? 1. 2. What hormones cause regression of the paramesonephric ducts? Why is there no one specific uterus for every species? monozygotic = dizygotic = Paramesonephric ducts become what parts of the female reproductive system? The genital tubercle develops where in the male? In the female? (We discussed this in class) Describe Freemartinism: What do we see in letter bearing species that keeps Freemartinism from occurring? Anterior lobe develops from what? Posterior lobe develops from what? What surrounds the pituitary gland for protection?
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