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16 terms

Male Reproduction System

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5 main structures of the MRS (alphabetical order)
epididymus, penis, scrotum, testes, vas deferens
contains masses of coiled tubules that produce sperm
testes
a pouch consisting of muscle fibers that respond to temperature
scrotum
type of cell division that produces 4 cells, each with half the number of chromosomes as the parent cells
meiosis
this many to this many million sperm are produced each day
200-400
_______ sperms produced/minute
200,000
process of sperm production
spermatogenesis
anatomy of a mature human sperm (alphabetical)
acrosome, head, midpiece, nucleus, tail
long tightly coiled tube connected to the seminiferous tubules in the testes and the vas deferens. secretes enzymes that aid in the maturation of sperm
epididymis
ejaculation aid in the movement of sperm from the epididymis through the ________ and into the _______.
Vas Deferens and Urethra
several glands secrete fluids into the urethra that are added to sperm to produce _______
semen
produces a pre-ejaculatory secretion that neutralizes urine and lubricates the urethra in preparation for semen to follow
bulbourethral gland
produces a secretion of enzymes that mixes with seminal vesicle fluid and sperm. designed to neutralize the acidic environment of the vagina
prostate gland
the prostate gland is made from a(n) _____________ substance
alkaline
produces a secretion of enzymes primarily designed to nourish the sperm and mixes with prostate fluid to form the alkaline semen
seminal vesicles
corpus spongiosum and cavernosum make up the erectile tissue of the ____
penis