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Study Guide for Exam 1

by: Jessica Vass

Study Guide for Exam 1 ALS 3304

Jessica Vass
Virginia Tech
GPA 3.1

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About this Document

Covers Male Reproductive tract, Endocrine system and Spermatogenesis.
Physiology of Reproduction
Dr. Shelly Rhoads
Study Guide
50 ?




Popular in Physiology of Reproduction

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This 3 page Study Guide was uploaded by Jessica Vass on Wednesday September 7, 2016. The Study Guide belongs to ALS 3304 at Virginia Polytechnic Institute and State University taught by Dr. Shelly Rhoads in Fall 2016. Since its upload, it has received 67 views. For similar materials see Physiology of Reproduction in Animal Science at Virginia Polytechnic Institute and State University.

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Popular in Animal Science


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Date Created: 09/07/16
Study Guide for Exam 1: Reproduction 1) Define “hormone” (classical and current understanding). 2) Be able to list and describe the 5 types of hormone modes of transmission. 3) Be able to list & define the 4 biochemical categories of hormones (that were provided in the notes) and provide 1 example for each category. 4) Be able to label the hypothalamus, anterior pituitary and posterior pituitary on a diagram (hint: if I have you label a diagram on the exam, it will be one that you have already seen in lecture). 5) Know the “borders” of the hypothalamus in the brain. 6) You do not need to be able to label the hypothalamic nuclei, but know what they are. For example – we specifically discussed the surge center and the tonic center, so know what those 2 regions do for reproduction. 7) Know the embryonic origin of the anterior vs. posterior pituitary gland. 8) Know what the sella turcica is. 9) Know what the hypothalamo-hypophyseal portal system is and how it is involved in the release of hormones from the anterior pituitary. 10) Be able to provide one example of a releasing hormone that comes from the hypothalamic neurons. 11) Know the 3 parts of the anterior pituitary gland. 12) Know the 5 cell types of the principal part of the anterior pituitary and the hormone(s) synthesized/secreted by each. 13) Be able to compare and contrast the hypothalamic regulation of the anterior and posterior pituitiary. 44) Be able to list the hormones synthesized/secreted by the posterior pituitary. 15) Be able to compare and contrast a simple neural reflex vs. neuroendocrine reflex. ) Know how GnRH, LH and FSH work together to cause spermatogenesis (including the cell types that secrete the, the cell types that have receptors for them and where feedback occurs). 52) Know the characteristics of GnRH, LH and FSH secretion in the male and why those secretion patterns are important. 53) Know the different forms of the male germ cell, their characteristics and where they are located in the sertoli cell. Know how the divisions of spermatogenesis progress. Know how many germ cells are present in the sertoli cells of stallions, bulls and men. 56) Know what factors might increase apoptosis. 57) Know why stem cell renewal is important. 58) Know what occurs during the golgi, cap, acrosomal and maturation phases of sperm development. 58) Be able to define spermatogenesis, spermiogensis and spermiation. Be able to describe stage, cycle and wave of spermatogenesis. Know relative cycle length and duration of spermatogenesis for the boar, bull, stallion, ram and man. Know what factors cause variation in sperm production. 1) Know the function, location and 4 parts of the scrotum. 2) Know how the epidermis of the scrotum and tunica dartos participates in thermoregulation of the testes. 3) Know the function and location of the spermatic cord and the structures contained within the spermatic cord. 4) Know how the cremaster muscle and pampiniform plexus participates in thermoregulation of the testes. 5) Be able to describe the countercurrent heat exchange that occurs in the pampiniform plexus, including how many degrees the blood temperature changes. 6) Be able to list and describe all of the structures involved in thermoregulation of the testes. 7) Know the layers of the testicular capsule. 8) Know which structures are included in the parenchyma of the testes (tubular and interstitial portions). 9) Be able to label sertoli cells, lumen of the seminiferous tubules and leydig cells. 10) Know the difference between the basal and adluminal compartments of the seminiferous epithelium. 11) Know why the blood testis barrier is necessary and what structures make up this barrier (hint: one type of junction & one specific cell type that is not the sertoli cell). 12) Be able to list at least 4 functions of the sertoli cells. 13) Be able to describe and label the mediastinum of the testicle. 14) Be able to list the pathway of sperm through the male reproductive tract beginning in the lumen of the seminiferous tubules and ending with the glans penis (hint: be very specific, for example, epididymis is not specific enough – list all 3 portions, etc.). 15) Be able to describe the parts, function and arrangement of the epididymis including the sperm characteristics in each section. 16) Describe the vas deferens. 17) Be able to list, describe and label the accessory sex glands. 18) List and describe the 3 parts of the penis. 19) Be able to list and label the 3 portions of the spongy erectile tissue. 20) Be able to list, describe and label (when appropriate) the 4 muscles responsible for erection, protrusion & ejaculation.


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