The Male Reproductive System Flashcards
Are humans viviparous or oviparous
viviparous
Where is the male reproductive system located?
Pelvic region
Constituents of the male reproductive system
Testis, accessory ducts, glands and external genitalia
External Genitalia of Males
Penis, urethra and scrotum
How many testicular lobules
250
What do the lobules contain
seminiferous tubules which contain sperm producing cells(male germ cells and sertoli cells)
Other name for male germ cell
spermatogonia
Other name for male germ cell
spermatogonia
Function of male germ cells
meiosis to produce sperm
Function of sertoli cells
provide nutrition to the germ cells
Region outside the seminiferous tubules
Interstitial spaces
What do the interstitial spaces contain?
Small blood vessels, interstitial cells(leydig cells)
Function of leydig cells
Secretes androgens
What are the male sex accessory ducts
rete testis, vasa efferentia, epididymis and vas deferens.
Order of accessory ducts
seminiferous tubules-rete testis–vasa efferentia-epididymis-vas deferens-urethra
urethral meatus
the external opening through which the urethra opens through the penis.
Enlarged end of the penis
glans penis
loose of skin on glans penis
foreskin
male accessory glands
seminal vesicles, prostate glands and bulbourethral glands
Composition of seminal plasma
fructose, calcium and certain. enzymes
the secretions of the bulbourethral glands help in
lubrication of the penis
