UNIT TEST 4 Flashcards
formation of sperm cells
SPERMATOGENESIS
Starts after puberty
SPERMATOGENESIS
Somatic cells (everything except sperm and egg cells)
MITOSIS
2 daughter cells ; 46 chromosomes each daughter cells
MITOSIS
Can be seen in injury repair
MITOSIS
Sex cells (sperm and egg)
MEIOSIS
4 daughter cells ; because of meiosis i and meiosis ii ; 23 chromosomes each daughter cells
MEIOSIS
what stimulates spermatogenesis
GnRH, FH, LH
father cell
Spermatogonium
spermatogonium process
- undergoes mitosis first.
- 2 daughter cells
- daughter cells will continue meiosis or mitosis.
meiosis i.
Primary spermatocyte
First meiosis product
second spermatocyte
meiosis ii.
Secondary spermatocyte
product of secondary spermatocyte?
spermatid
spermatozoa
sperm
semen contents?
fructose and prostaglandins
nourishes sperm
fructose
cause contraction
prostaglandins
posterior to the urinary gland in male
prostate gland
carries semen and urine
urethra
Acts in urinary and reproductive
Urethra
longest part of the male urethra
Spongy urethra
contracts, causing the skin of the scrotum to become FIRM AND WRINKLED AND REDUCING IT’S OVERALL SIZE.
Dartos muscle
extension of the abdominal skeletal muscles into the scrotum, contract and help pull the testes near the body.
Cremaster muscle