Chapter 9 - Vocabulary Flashcards
ejaculation
-ejection of sperm and fluid from the male urethra
bulbourethral glands
- pair of exocrine glands near the male urethra that secrete fluid into the urethra
- also called Cowper glands
ejaculatory duct
-tube through which semen enters the male urethra
epididymis
plural: epididymides
- one of a pair of long, coiled tubes above each testis.
- stores and carries sperm from seminiferous tubules to the vas deferens
erectile dysfunction
-inability to achieve an erection; impotence
flagellum
-hair-like projection on a sperm cell that makes it motile
fraternal twins
-two infants resulting from fertilization of 2 separate ova by 2 separate sperm cells
glans penis
-sensitive tip of penis
identical twins
-two infants resulting from division of one fertilized egg into 2 distinct embryos
interstitial cells of the testes
- specialized cells that lie adjacent to the seminiferous tuvules in the testes
- produce testosterone
- also called Leydig cells
parenchymal tissue
- essential distinctive cells of an organ
- in the testis, the seminiferous tubules that produce sperm are parenchymal
penis
-male external organ of reproduction
perineum
-region between the anus and scrotum
prepuce
-foreskin
prostate gland
- exocrine gland at the base of the male urinary bladder
- secretes one of the fluid parts of semen into the urethra during ejaculation
scrotum
-external sac that contains the testes
semen
- spermatozoa and seminal fluid
- discharged from the urethra during ejaculation
seminal vesicles
-paired exocrine glands that secrete seminal fluid into the vas deferens
seminiferous tubules
-narrow, coiled tubules that produce sperm in the testes
spermatozoon
plural: spermatozoa
-sperm cell
sterilization
-procedure that removes a person’s ability to produce or release reproductive cells
stromal tissue
-supportive, connective tissue of an organ, as distinguished from its parenchyma
testis
plural: testes
-male gonad (testicle) that produces spermatozoa and the hormone testosterone
testosterone
- hormone secreted by the interstitial tissue of the testes
- responsible for male sex characteristics