Reproductive and Hormonal Functions of the Male

Question 1

hormone

Answer 1

chemical substance secreted by a gland or a group of glands into body fluid

hormone has a physiological control effect on other cells of the body, including metabolism, growth and development, water and electrolyte balance, reproduction, and behavior

Question 2

Class of hormones

Answer 2

peptide and protein : LH & FSH
Steroid hormone: testosterone, estrogen (derived from cholesterol)
Amine hormones: thyroid hormones

Question 3

spermatogenesis

Answer 3

process of sperm cell develpment
occurs in seminiferous tubules
begins at the average age of 13, decreased by old age

Question 4

what hormones are involved in spermatogenesis

Answer 4

LH
FSH
Testosterone
Inhibin
Estradiol
Estrogen

Question 5

hormones that regulate spermatogenesis

Answer 5

testosterone and inhibin by negative feedback

Question 6

testosterone

Answer 6

produced inside the leydig cell

Question 7

sertoli cell

Answer 7

supporting and protecting spermatogenic cells

Question 8

inhibin

Answer 8

regulates access with negative feedback
stops prod of FSH

Question 9

dihydrotestosterone

Answer 9

testosterone circulates in the blood via plasma albumin and beta globulin
either transferred to tissues and converted within the tissue cells to dihydrotestosterone
stronger than test

Question 10

estrogen

Answer 10

formed from test by the sertoli cell
essential for spermatogenesis
carried into seminiferous tubular lumen by androgen binding protein

Question 11

function of test

Answer 11

spermatogenesis
promotes male secondary sexual characteristics

Question 12

male secondary sex characteristics

Answer 12

distribution of body hair
male pattern baldness
effects on the voice
thickness of the skin
development of acne