IUB MSCI-M 131 - Exam 1 Study Guide (6 pages)

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Exam 1 Study Guide

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Exam 1 Study Guide


Study Guide for Unit 1

Study Guide
Indiana University, Bloomington
Msci-M 131 - Disease & the Human Body

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MSCI 131 Fall 2014 Exam 1 Study Guide Lectures 1 11 Male Reproductive System 1 To describe the function of the components of the male reproductive system a Scrotum protect and maintain testes at 3 degrees below body temp b Testes creates sperm still immature in testes c Seminiferous tubules coiled tubes inside testes sustentacular cells protect developing sperm interstitial cells produce testosterone d Epididymis 20 coiled tube stores immature sperm after moving from testes e Ductus Deferens 18 tube from epididymis to prostate stores mature sperm f Seminal vesicles glands secrete sugar for sperm energy g Ejaculatory ducts continuation of the duct system inside the prostate h Prostate accessory gland secretes acidic fluid wit citric acid seminalplasmin and PSA i Urethra prostatic membranous penile sections pathway for semen j Bulbourethral glands secrete fluid into penile urethra to lubricate head of penis and neutralize acid from urine present in urethra k Penis 3 columns of erectile tissue male sex organ 2 To understand the maladies of the testes a Cryptorchidism hidden testes i Incidence 30 premature males 1 3 in newborns ii Etiology unknown may be related to hormone deficiency iii Infertility or sterility iv Treatment orchiopexy to secure testicle in normal position b Hydrocele collection of fluid found anywhere along the length of the processus vaginalis i Etiology open processus vaginalis ii Problems increased scrotum size block blood flow iii Can be drained to prevent raccumulation the open processus vaginalis needs to be closed c Testicular torsion twisting of spermatic cord i More than 24 hours survival of testicle doubtful ii Surgery to untwist and secure to scrotum wall d Testicular cancer most common tumors of men between 20 and 34 years 3 To become familiar with the hormonal control of spermatogenesis a When sperm is in seminiferous tubules sustentacular cells provide a bloodtestis barrier There are multiple sperm in one cell The sperm are developed by

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