What are the gametes in a male? female?
How many chromosomes do each gamete contain??
Name primary sex repro organs of male & female (gonads)
Name primary reproductive organs of males
Testes, epididymis, ductus deferes, ejaculatory duct, urethra
Name primary reproductive organs of females
ovaries, uterine tubes, uterus, vagina,
Name accessory organs of males reproductive system?
seminal vesicle, prostate gland, bulbourethral gland
Name layer of smooth muscle in scrotum
Name the layer of skeletal muscle
name the 3 structures that keep the testes cooler than the rest of the body
1. cremaster muscle
2. dartos muscle
3. pampiniform plexus of blood vessels
name the fibrous capsule around the testes
What is the primary example of androgen?
Where does spermatogenesis occur?
in the wall of the seminiferous tubules
What is one important function of the sustentacular cell function
maintaince the blood-testis barrier which regulates the lumen of he seminiferous tubes
cell division which produces two daughter cells containing 23 PAIRS of chromosomes is calles _____
cell division that produces 4 cells each containing 23 INDIVIDUAL chromoses is called _______
Name the parts of a spermatozoa
Head (acrosome & nucleus)
Midpieace (Basil body & mitochondria)
Tail (principal & endpiece & axoneme)
what does the acrosome contain?
enzymes that dissolve the protective layer of the egg
each seminiferous tubule is connected to a interwoven network of passageways known as ____
What is the pathway of sperm?
Seminiferous tubule -> Rete testis -> efferent ductules ->Epididymis -> ductus (Vas) Deferens -> Ejaculatory duct -> Urethra ->VAGINA (hopefully!)
What is the coiled tube bound to the posterior border of the testes
Before leaving the Epididymis sperm are immbole
Capacitation hasnt occured
What is the long tube (16-18 in long) that sperm travel through between the epididymis & the ejaculatory duct
ductus (vas) deferens
What connects the ductus deferens with the urethra
the ejaculatory duct
What is the structure which consist of layers of connective tissue and muscle which encloses the ductus deferens, and the blood vessels, nerves and lynmph vessels that supply the testes
What is the tube that extends from the urinary bladder to the tip of the penis and carries urine and SEMEN/SPERM/GOODIES.
what are the paired structures that lie along the side of the urinary bladder and contribute 60% of the volume of semen
which fluid is an alkaline fluid that neutralizes vaginal fluids & contributes 25% of the volume of semen?
what is the paired glands at the base of the penis that secrete a thick alkaline fluid that helps neutralize urinary acids & lubricates the glans penis?
in a healthy adult male, about how many sperm are released per ejaculation?
20-100 mil per cubic ml