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by: abirkenholtz
GPA 2.75

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About this Document

Domestic Animal Reproduction
Dr. Youngs
Class Notes
25 ?




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 9 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
Vocabulary: Coolidge effect endocrine gland urogenital exocrine gland penis (tip, body, base) systemic hormonal effect glans penis local hormonal effect urethral process autocrine penile spines intracrine corpus cavernosum tissue paracrine baculum neuroendocrine bulbis glandis neuroendocrinology coital lock hormone corpus spongiosum tissue peptide vascular/erectile penis protein fibroelastic penis glycoprotein penis retractor muscle steroid sigmoid flexure biosynthesis frenulum steroidogenic pathway prepuce (sheath) fatty acid pheromone amino acid derivative pizzle rot neurotransmitter posthitis membrane receptor penile tumescence nuclear receptor 1/2 ischiocavernosus muscle half life (t ) priapism hypothalamus ejaculatory reflex hypothalamic nuclei emission paraventricular nucleus colliculus seminalis tonic center urethralis muscle surge center bulbospongiosis muscle oxytocin refractory period Review: What are the functions of the penis? ________________________________________________________________________ _________________________ Describe the differences we see in the glans penis across species: 1. pig: 2. sheep: 3. tom cat: 4. stallion: 5. opossum: Describe the differences in corpus cavernosum tissue and corpus spongiosum tissue? examples of species with: 1. fibroelastic penis: 2. vascular/erectile penis: penile tumescence = ____________________________ Describe a pheromone:___________________________________________________________ ___________ How does a ram get pizzle rot? _____________________________________________________________ What muscle supports the penis and is arranged in circular and longitudinal directions? ________________________________________________________________________ ___________ Give a hormone example for each biochemical classification: peptide: protein: glycoprotein: steroid: fatty acid: neuropeptide: If the half-life or estrogen is 13 hours, what would be the total clearance time for estrogen? Where is oxytocin synthesized? __________________________________________________________ Where is oxytocin stored? ________________________________________________________________


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