IUB MSCI-M 131 - Male Reproductive system (6 pages)

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Male Reproductive system

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Male Reproductive system


Notes from beginning of class to the end of male reproductive system

Lecture number:
Lecture Note
Indiana University, Bloomington
Msci-M 131 - Disease & the Human Body

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MSCI M131 Lecture 1 5 Unit 1 Outline of Current Lecture I Male Reproductive System a Scrotum b Testes c Spermatogenesis d Duct system and accessory glands e Infertility sterility and erectile disorder Current Lecture I II Scrotum a pouch of skin with a thickened fat layer function to protect and to maintain the testes at approximately 3 degrees below body temp Testes originally produced in pelvic cavity descend around 28th week of pregnancy A layer of tissue from the pelvic cavity precedes it as the testes descend into the scrotum a Cryptorchidism hidden testes refers to a testis that is not in the scrotum can be in many positions undescended body temp bad sperm i Incidence 30 in premature males and 1 3 in newborns ii Etiology unknown but may be related to hormone deficiency iii Problems if left untreated infertility or sterility iv Treatment often the undescended testes will descend into the scrotum on their own during the first 3 mos Following birth If not orchiopexy pex put into position may be needed to secure the testicle into normal position palpate to find position open area bring testicle to scrotum and attach it to the scrotum so it doesn t return to original position b Hydrocele a collection of fluid found anywhere along the length of the processus vaginalis opening through which the testes descend i Etiology open processus vaginalis fluid can seep down ii Problems increased scrotum size causes pain and can occasionally block blood flow iii Treatment these may be aspirated drained but fluid usually reaccumulates surgery may be needed to close off the open processus vaginalis when tissues meet together they usually grow together These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute III c Testicular Torsion a twisting of the spermatic cord which usually causes pain impairment of blood flow localized swelling This may occur in newborn but most often in young

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