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level: Level 1

Questions and Answers List

level questions: Level 1

gonadstestes and ovaries
produce sex cellsgametes
secrete steroid sex hormonesandrogens(males) estrogens and progesterone (females)
male gametesspermatozoan
male gonadstestis
male ductsseminiferous tubules,epidimymis,vas deferens , ejaculatory duct, prostetic membranous and penile urethra
male glandsseminal vescle, prostate gland, bulbourethral glans
male external genitaliapenis, scrotum
male sex hormonestestosterone
the scrotum temp is3 degress celcsius lower that core body temp, temp neccessary for sperm production
testes are surrounded by what two tunicstunica vaginalis(peritoneum) & albuginea (fibrous capsule)
sperms travers from seminiferous tubles throughstraight tubules, rete testis, efferent ducts, epididymis,vas deferens
spermatic cord housesblood vessels, nerves, and lymoh vessels
epididymis headcontains the efferent ductules
ductus deferens passes throughinguinal canal
ductus deferens expandsto form ampulla
ductus deferens joins form......seminal vesicle, ejaculatory duct
vasectomycutting and ligating the ductus deferens
penis ..... urethraspongy
penis type of tissueerectile tissue (spongy connective tissue & smooth muscle w/ vascular spaces)
corpus spongiosumsurrounds urethra and expands to form glans and buls
corpora cavernosaparied dorsal erectile bodies
urethra has three regionsporstatic urethra, membranous urethra, spongy(penile)urethra
seminal vesicles has70% of volume of semen
duct of seminal vesicle joins form....ductus deferens, ejaculatory duct
encircles part of the urehtra inferior to the bladder is whatprostate
prostate conatinsprostate specific antigen(PSA)
prostate plays what roleactivation of sperm
pea-sized glands inferior to prostate is whatbulbourethral glands(coupers glands)
bulbourethral glands(coupers glands) lubricatesglans penis
bulbourethral glands(coupers glands) neutralizestraces of acidic urine in urethra
only how much of semen is ejaculated, conatining how much sperm2-5ml , 20-150 million sperm/ml
parasympathetic response to erectionenlargement and stiffening of penis from engorgement of erectile tissue w/ blood
ejaculation ispropulsion of semen from male duct system
what causes propulsion of semen from male duct systemsympathetic spinal reflex
spermatogenesis is and when does it startproduction of sperm in seminiferous tubles of testes, puberty
most body cells in spermatogenesis arediploid (2n)and contain 23 pairs of homologous chromosomes
what are haploid cells and what does it comtaingametes, 23 chromosomes
what are mitiosis and what undergos is forming whatgerm cells , spermatogonia forming primary spermatocytes
meiosis 1primary spermatocytes forming secondary spermatocytes
meiosis 2secondary spermatocytes forming spermatids
spermiogenesisprocess of spermatids change to become spermatozoans (sperm)
sertoli cells (sustentacular)large supporting cells
role of sustentacular cellssecrete testicular fluid into lumen for transport of sperm prevent sperm antigens from escaping into blood tight junction form blood testies barrier
basal compartmentspermatogonia and primary spermatpcytes
adluminal compartmentmeiotically active cells and tubule lumen