Anatomy Week 9: Reproductive System

Front 1

Males reprod. system components (8)

Back 1

-testis
-epididymis
-vas (ductus) deferens
-seminal vesicle
-prostate
-penis
-hypothalamus/pituitary

Front 2

Spermatozoa are manufactured where

Back 2

seminiferous tubules

Front 3

Path of a sperm

Back 3

??

Front 4

spermatozoa are produced from stem cells called ________ found where?

Back 4

-spermatogonia

-outermost layer of seminiferous epithelium

Front 5

Sertoli cells:
Function
Requirements

Back 5

-envelop developing sperm cells
-require testosterone and FSH

Front 6

What cells produce testosterone?

What are they under the control of

Back 6

-Leydig (interstitial) cells

-LH

Front 7

Epidydimis:
function
epithelium

Back 7

-produce substances required for sperm motility (final maturation of sperm)
-pseudostratified w/ sterocilia (long microvilli)

Front 8

Vas deferens:
structure
epithelium
function

Back 8

-long, uncoiled tube
-3 layers of smooth muscle

-stratified squamous epithelium

-propel sperm out

Front 9

seminal vesicle:
epithelium
function

Back 9

-columnar epithelium
-adds prostaglandins, fructose, etc to ejaculate

Front 10

Prostate:
epithelium
function

Back 10

-columnar or pseudostratified
-adds secretions

Front 11

Brains function in reproductive system (2)

Back 11

-makes you horny
-hypothalamus mediates chemical feedback from testis to pituitary

Front 12

Female reproductive system components (7)

Back 12

-ovaries
-uterine tubes
-uterus
-breast
-vagina
-hypothalamus/pituitary

Front 13

germinal epithelium

Back 13

-in ovary
-actually the visceral peritoneum

Front 14

Cells which surround a primary oocyte

Back 14

granulosa cells (cuboidal)

Front 15

What denotes the emergence of a 2ndary follicle?

Back 15

Appearance of the antrum, and the differentiation of the stromal cells into theca interna and theca externa

Front 16

fluid filled space located in the granulosa cells

Back 16

antrum

Front 17

The _______ cells outside the follice differentiate into the internal and external _______ cells.

Back 17

-stromal

-theca interna/externa

Front 18

ovarian follicles grow under the influence of

Back 18

-FSH
-estrogens

Front 19

What triggers ovulation

Back 19

-a surge of LH

Front 20

scars of old ovulated follicles

Back 20

corpora albicantes

Front 21

corpus luteum

Back 21

-remnant of ovulated follicle
-hormonally active producing progesterone

Front 22

uterine tubes

Back 22

(Fallopian tubes)
-highly convoluted
-ciliated epithelium, beating toward uterus
-cells picked up by fimbrae
-peristalsis helps transport egg

Front 23

Uterus:
layers/structure

Back 23

-myometrium: smooth muscle wall, capable of division

-endometrium: lining, grows and sheds

Front 24

Uterine endometrium:
thickens when?
sheds when?

Back 24

-under influence of estrogen, progesterone

-when the corpus luteum atrophies and progesterone secretion is stopped (reduced?)

Front 25

Vagina:
epithelium
muscle type

Back 25

-stratified, non-cornified squamous
-skeletal

Front 26

Mammory glands:
structure
under influence of

Back 26

-secretory cells (apocrine) in follicles, lactiferous ducts

-estrogen, progesterone, prolactine

Front 27

rete testis??

Back 27

?

Front 28

___________ undergo ___________ to become spermatozoa

Back 28

-spermatids
-spermaiogenenis

Front 29

sperm________ undergo mitosis to become _____________

Back 29

-atogonia A&B

-primary spermatocytes

Front 30

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

Back 30

-primary spermatocytes

-secondary spermatocytes

Front 31

What 2 conditions are needed for speratogenesis?

Back 31

-lower temp
-high testosterone

Front 32

ovagenesis??

Back 32

??

Front 33

primordial germ cell

Back 33

-multiplies by mitosis
-resides in ovary
-becomes primary follicle when FSH and LH are secreted at puberty

Front 34

What stage of development is a secondary follicle in?

Back 34

Started the 2nd meitotic division but it is not completed

Front 35

1)primary follicle?

2)secondary follicle?

Back 35

-from primordial follicle, when stim'ed by FSH and LH

-formed when primary follicle undergoes 1st meiotic division

Front 36

zona pellucida

Back 36

glycoprotein coat that surrounds the egg

Front 37

What does FSH do in males vs. females (2)?

Back 37

W: - stim's maturation of Graafian follicles
-stim's granulosa cells to convert estrogen
M: - enhances Sertolli cells production of androgen-binding proteins

Front 38

What does LH do in women? In men?

Back 38

W: triggers ovulation

M: stim's Leydig cells to secrete more testosterone

Front 39

what cell in the female processes androgens to make extrogen?
What controls this cell?

Back 39

-granulosa cells

-FSH

Front 40

What acts on the theca interna increasing androgen production?

Back 40

LH

Front 41

What contracts during childbirth?

Back 41

myometrium (uterus)