Unit Review 2 - Kerry Rowe BIOL 3350 Sec. 001 Exam 2 Review...

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Kerry Rowe BIOL 3350 Sec. 001 Exam 2 Review 1. Define hypospadias. A birth defect found in boys in which the urinary tract opening is not at the tip of the penis but on the underside. 2. What is the function of the seminal vesicles? Create and secrete semen . 3. Explain the function cremaster muscles and the pampiniform plexus of the testes. Cremaster muscles raise and lower the scrotum to regulate temperature, pampiniform plexus is a network of small veins that also regulate temperature. 4. What role does nitric oxide play in erections? Signals smooth muscle to relax thus increasing blood flow 5. What nervous system controls erection? Parasympathetic nervous system. 6. What are the major sources of estrogen in premenopausal and menopausal women? Ovaries and a small amount in the adrenal cortex 7. The secretion of FSH and LH are under the control of anterior pituitary gland 8. What hormones would be used to treat exceptionally tall children by effecting early epiphyseal closure? Androgens 9. Testosterone is produced and secreted by the interstitial Leydig cells in the testes, while under the influence of luteinizing hormone (LH). 10. Describe the functions of testosterone. Develop male genital tract during fetal development, induce primary and secondary sex characteristics, gonadal function, external genitalia, male voice timbre, male skin char., male hair distribution, promotes protein metabolism, promotes musculoskeletal growth, fat distribution, and promotes spermatogenesis, stimulation of erythropoiesis. 11. The scrotum houses the testes and regulates their temperature. 12. What describes herniation of the bladder into the vagina? Cystocele 13. What is testicular torsion and what is it a common consequence of? Twisting of the spermatic cord cutting off blood supply, it is a common consequence of trauma or strenuous exercise.
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14. What is the most common cause of cancer in males between the ages of 15-35?
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This note was uploaded on 10/31/2010 for the course BIOL 3350 taught by Professor Staff during the Fall '08 term at University of Texas at Dallas, Richardson.

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Unit Review 2 - Kerry Rowe BIOL 3350 Sec. 001 Exam 2 Review...

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