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41 Cards in this Set

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Males reprod. system components (8)
-testis
-epididymis
-vas (ductus) deferens
-seminal vesicle
-prostate
-penis
-hypothalamus/pituitary
Spermatozoa are manufactured where
seminiferous tubules
Path of a sperm
??
spermatozoa are produced from stem cells called ________ found where?
-spermatogonia

-outermost layer of seminiferous epithelium
Sertoli cells:
Function
Requirements
-envelop developing sperm cells
-require testosterone and FSH
What cells produce testosterone?

What are they under the control of
-Leydig (interstitial) cells

-LH
Epidydimis:
function
epithelium
-produce substances required for sperm motility (final maturation of sperm)
-pseudostratified w/ sterocilia (long microvilli)
Vas deferens:
structure
epithelium
function
-long, uncoiled tube
-3 layers of smooth muscle

-stratified squamous epithelium

-propel sperm out
seminal vesicle:
epithelium
function
-columnar epithelium
-adds prostaglandins, fructose, etc to ejaculate
Prostate:
epithelium
function
-columnar or pseudostratified
-adds secretions
Brains function in reproductive system (2)
-makes you horny
-hypothalamus mediates chemical feedback from testis to pituitary
Female reproductive system components (7)
-ovaries
-uterine tubes
-uterus
-breast
-vagina
-hypothalamus/pituitary
germinal epithelium
-in ovary
-actually the visceral peritoneum
Cells which surround a primary oocyte
granulosa cells (cuboidal)
What denotes the emergence of a 2ndary follicle?
Appearance of the antrum, and the differentiation of the stromal cells into theca interna and theca externa
fluid filled space located in the granulosa cells
antrum
The _______ cells outside the follice differentiate into the internal and external _______ cells.
-stromal

-theca interna/externa
ovarian follicles grow under the influence of
-FSH
-estrogens
What triggers ovulation
-a surge of LH
scars of old ovulated follicles
corpora albicantes
corpus luteum
-remnant of ovulated follicle
-hormonally active producing progesterone
uterine tubes
(Fallopian tubes)
-highly convoluted
-ciliated epithelium, beating toward uterus
-cells picked up by fimbrae
-peristalsis helps transport egg
Uterus:
layers/structure
-myometrium: smooth muscle wall, capable of division

-endometrium: lining, grows and sheds
Uterine endometrium:
thickens when?
sheds when?
-under influence of estrogen, progesterone

-when the corpus luteum atrophies and progesterone secretion is stopped (reduced?)
Vagina:
epithelium
muscle type
-stratified, non-cornified squamous
-skeletal
Mammory glands:
structure
under influence of
-secretory cells (apocrine) in follicles, lactiferous ducts

-estrogen, progesterone, prolactine
rete testis??
?
___________ undergo ___________ to become spermatozoa
-spermatids
-spermaiogenenis
sperm________ undergo mitosis to become _____________
-atogonia A&B

-primary spermatocytes
______ sperm______ undergo the 1st meiotic division to become ___ sperm_________
-primary spermatocytes

-secondary spermatocytes
What 2 conditions are needed for speratogenesis?
-lower temp
-high testosterone
ovagenesis??
??
primordial germ cell
-multiplies by mitosis
-resides in ovary
-becomes primary follicle when FSH and LH are secreted at puberty
What stage of development is a secondary follicle in?
Started the 2nd meitotic division but it is not completed
1)primary follicle?

2)secondary follicle?
-from primordial follicle, when stim'ed by FSH and LH

-formed when primary follicle undergoes 1st meiotic division
zona pellucida
glycoprotein coat that surrounds the egg
What does FSH do in males vs. females (2)?
W: - stim's maturation of Graafian follicles
-stim's granulosa cells to convert estrogen
M: - enhances Sertolli cells production of androgen-binding proteins
What does LH do in women? In men?
W: triggers ovulation

M: stim's Leydig cells to secrete more testosterone
what cell in the female processes androgens to make extrogen?
What controls this cell?
-granulosa cells

-FSH
What acts on the theca interna increasing androgen production?
LH
What contracts during childbirth?
myometrium (uterus)