Reproductive Red Stuff Flashcards
what are the functions of the reproductive system
production of gametes
fertilization
development and nourishment of offspring
production of reproductive hormones
these are diploid cells
somatic
these are haploid cells
gametes
diamond shape area between the thighs
perineum
this wrinkles skin of scrotum to reduce heat loss
dartos muscle
this contracts to pull testes closer to the body
cremaster
exocrine function of testes
production of sperm cells
endocrine function of testes
testosterone
within the tunica albuginea lobules, this kind of tubules produce sperm
seminiferous
pathway of sperm (list)
seminiferous tubules
tubuli recti
rete testis
efferent ductules
epididymis
failure of one or both of testes to descend into scrotum
cryptorchidism
these cells produce testosterone
interstitial cells
sperm cell development is called what
spermatogenesis
step 1 of spermatogenesis
spermatogonia divide by mitosis
step 2 of spermatogenesis
primary spermatocytes divide by meiosis I
step 3 of spermatogenesis
secondary spermatocytes divide by meiosis II
site of sperm cell maturation
epididymis
three parts of the male urethra
prostatic urethra
membranous urethra
spongy or penile urethra
three columns of erectile tissue in penis
corpora cavernosa
corpus spongiosum
crurua and bulb
this produces about 60% of semen
seminal vesicles
this produces about 30% of semen
prostate gland
this produces about 5% of semen
bulbourethral glands
secretions of all three accessory glands plus sperm makes up
semen
discharge of semen into prostatic urethra
emission
stimulate uterine contraction
prostaglandins
the age when an individual becomes capable of sexual reproduction
puberty
pituitary becomes less sensitive to testosterone inhibition during when
puberty
elevated FSH during puberty causes what
sperm cell formation
effects of testosterone
enlargement of genitals, hair growth, increased metabolic rate, rapid bone growth
site of fertilization
uterine tube
the production of eggs is called
oogenesis
primary oocytes begin first meiotic division when
at birth
where is the first arrest of primary oocytes
prophase I
a primordial follicle is made and all remain at this state until
puberty
a mature follicle is called
graafian follicle
secondary oocyte is released from the ovary
ovulation
the second arrest happens when
metaphase II
the Graafian follicle ruptures to release the oocyte and becomes
corpus luteum
after fertilization, the secondary oocyte becomes a
zygote
the section of the filloppian tubes where fertilization occurs
ampulla
what are the three layers of the uterine tubes
serosa, muscular, mucosa
3 layers of the uterus body
perimetrium, myometrium, endometrium
which layer of the endometrium is shed
functional layer
how long is the menstrual cycle
28 days
when is ovulation during the cycle
day 14
this is the shedding of the functional layer of the endometrium
menses
estrogen makes uterine tissue more or less sensitive
more
progesterone helps
thicken endometrium
in the presence of progesterone, spiral arteries remain ______
dilated
this stimulates the development of fillicles
FSH
this benchmark in hormone stimulates ovulation
LH surge
this secretes progesterone for the 12 days after ovulation
corpus luteum
up to how many hours after ovulation can an oocyte be fertilized
24 hours
sperm cells can be viable for up to how many days in the female tract
6 days