lom chapter 9 male reproductive systems Flashcards
male sex cell is called?
spermatozoon or sperm cell, tail consists of flagellum
fraternal twins come from?
the fertilization of separate ova by separate sperm cells are called fraternal twins
identical twins come from?
the fertilization of a single egg by a single sperm are called identical twins.
what hormone is responsible for bodily characteristics such as beard, deeper voice
testosterone
bulbourethral glands
Pair of exocrine glands near male urethra; Cowper glands
ejaculation
Ejection of sperm and fluid from male urethra
ejaculatory duct
Tube through which semen enters the male urethra
epididymis
One of a pair of long, tightly coiled tubes above each testis that stores and carries sperm to the vas deferens
erectile dysfunction
Inability of an adult male to achieve an erection; impotence
flagellum
Hair-like projection on a sperm cell that makes it motile
glans penis
Sensitive tip of the penis; comparable to the clitoris in the female
interstitial cells of the testes
Specialized cells adjacent to the seminiferous tubules in the testes; produce testosterone; also called Leydig cells
parenchymal tissue
Essential distinctive cells of an organ
penis
Male external organ of reproduction
perineum
External region between the anus and scrotum in the male
prepuce
Foreskin; fold of skin covering tip of penis
prostate gland
Exocrine gland at base of male urinary bladder; secretes fluid part of semen into urethra during ejaculation
scrotum
External sac that contains the testes
semen
Spermatozoa and seminal fluid discharged from the urethra during ejaculation
seminal vesicles
Paired sac-like exocrine glands that secrete fluid into the vas deferens
seminiferous tubules
Narrow, coiled tubules that produce sperm in the testes
spermatozoon
sperm cell
sterilization
Procedure that removes a person’s ability to produce or release reproductive cells through removal of testicles, vasectomy, or oophorectomy
stromal tissue
Supportive, connective tissue or an organ; stroma
testis
Male gonad (testicle) that produces spermatozoa and testosterone
testosterone
Hormone secreted by interstitial tissue of the testes; responsible for male sex characteristics
vas deferens
Narrow tube carrying sperm from the epididymis toward the urethra; ductus deferens
Hypospadias
Surgical repair involves excising a portion of the prepuce, wrapping it around a catheter, suturing it to the distal part of the urethra, bringing it to the end of the penis
What does the PSA test for?
levels of an antigen
Which term means removal of the prostate?
Prostatectomy