Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

37 Cards in this Set

  • Front
  • Back
initial vessel formation
vessel sprouting and fusion
where does vessel formation begin? (3 sites)
mesoderm of yolk sac
yolk stalk
endothelial cell precursors
from mesenchyme
when does SA node form?
week 5
where does the SA node form?
right wall of sinus venosus
first aortic arch derivatives
maxillary arteries
external carotid arteries
second aortic arch derivatives
stapedial artery
SRY gene
gene on Y chromosome for testis determining factor
function of testis determining factor (TDF)
causes gonadal cords to form seminiferous cords
when do visible sexual characteristcs develop?
Week 7
when does gonadal formation begin?
week 5
developmental sources of the genital system
mesothelium from abdominal wall
underlying mesenchyme
primordial germ cells
when do the primordial germ cells form?
Week 4, from yolk sac endoderm
when do primordial germ cells enter the gonadal cords?
week 6
rete testis
network of elongated gonadal cords
tunica albuginea
fibrous testicular capsule
mesentery which suspends testis
name 2 types of cells in seminiferous tubules
Sertoli cells
Sertoli cells
facilitate transition of germ cells to spermatozoa

target of testosterone and FSH
what structure becomes the duct of the epididymis?
the mesonephric duct
2 hormones produced by the interstitial cells between seminiferous tubules
anti-Mullerian hormone
produced by Sertoli cells to supress formation of paramesonephric ducts (which become the uterus)
rete ovarii
rudimentary structures that regress and disappear
when does ovarian histology become evident?
week 10
cortical cords
female structures
surface epithelium extends into the mesenchyme
germ cells migrate here
primordial follicles
contain an oogonium and a single layer of follicular cells
stromal cells
connective tissue surrounding follicles
how many oogonia remain after birth?
about 2 million
mesentery supporting ovary in peritoneal cavity
male mesonephric duct derivatives?
epididymis and ductus deferens
seminal glands
produce nutritive secretion for sperm (important in motility)
ejaculatory duct
duct between urethra and seminal gland ducts
ductus deferens
distal to the epididymis

has a thick muscular wall
formed from evagination of urethra endoderm
bulbourethral glands
paired outgrowths of the urethra

add alkaline secretions to semen (to counteract acidic urine)
paramesonephric ducts
form most of the female genital tract