MALE REPRODUCTIVE SYSTEM Flashcards
The male reproductive system is located in the ________ region.
Pelvis
The testes are situated outside/inside the abdominal cavity within a pouch called _________.
Outside , Scrotum
The temp. of scrotum is ____________ than the normal internal body temp. which is necessary for __________.
2-2.5 degree celsius less , spermatogenesis
Testis are ________ in shape in adults, length of ________ cm and width of ________ cm
Oval, 4-5, 2-3
Testis is covered by a dense/shallow covering.
Dense
Each Testis has about________ compartments known as _________
250 , testicular lobules
Each testicular lobule contains ________(no.) highly coiled tubules called ________ in which ________ takes place
1-3, seminiferous tubules, production of sperms
Each seminiferous tubules are lined on its inside by two types of cells called ________and _____________
Male germ cells(spermatogonia), Sertoli cells
Function of male germ cells ?
Undergo meitoic division leading to sperm formation.
Sertoli cells function?
Provide nutrittion to the germ cells
The region outside seminiferous tubules called ____________ spaces, contain small blood vessels and ____________ cells or ____ cells
Interstitial , interstitial , Leydig
Leydig cells function?
Synthesise and secrete testicular hormones called androgens
Immunologically competent cells are not present in testis .
True/false
False
Present
The male accessory ducts include :
4
Rete testis, vasa efferentia, epididymis, vas deferens
The seminiferous tubules open into ____ through ____
Vasa efferentia, Rete testis
Vasa efferentia leave the testis and open into ________
Epididymis
Epididymis is located along anterior/posterior surface of each testis.
Posterior
Epididymis leads to __________
Vas deferens
Vas deferens ascends/descends to ________ and loops over the _________
Ascends, abdomen, urinary bladder
Vas deferens receives a duct from ________ and opens into ________ as _________.
Seminal vesicle, urethra, ejaculatory duct
Ejaculatory duct function?
Stores and transports the sperms from testis to outside through urethra.
Urethra originates from the __________
Urinary bladder
Urethra extends through the penis to its external opening called ___________
Urethral meatus
Male exernal genitalia is __________
Penis