Chapter 9: Vocabulary

Question 1

bulbourethral glands

Answer 1

pair of exocrine glands near the male urethra. they secrete fluid into the urethra.
also called Cowper glands

Question 2

ejaculation

Answer 2

ejection of sperm and fluid from the male urethra

Question 3

ejaculatory duct

Answer 3

tube through which semen enters the male urethra

Question 4

epididymis

plural: epididymides

Answer 4

one of a pair of long, tightly coiled tubes above each testis. it stores and carries sperm from seminiferous tubules to the vas deferens

Question 5

erectile dysfunction

Answer 5

inability of an adult male to achieve an erection; impotence

Question 6

flagellum

Answer 6

hair-like projection on a sperm cell that makes it motile

Question 7

fraternal twins

Answer 7

two infants resulting from fertilization of two separate ova by two separate sperm cells

Question 8

glans penis

Answer 8

sensitive tip of the penis; comparable to the clitoris in the female

Question 9

identical twins

Answer 9

two infants resulting from division of one fertilized egg into two distinct embryos

Question 10

interstitial cells of the testes

Answer 10

specialized cells that lie adjacent to the seminiferous tubules in the testes. these cells produce testosterone and are also called leydig cells

Question 11

parenchymal tissue

Answer 11

essential distinctive cells of an organ. in the testis, the seminiferous tubules that produce sperm are parenchymal

Question 12

penis

Answer 12

male external organ of reproduction

Question 13

perineum

Answer 13

external region between the anus and scrotum in the male

Question 14

prepuce

Answer 14

foreskin; fold of skin covering the tip of the penis

Question 15

prostate gland

Answer 15

exocrine gland at the base of the male urinary bladder. the prostate secretes one of the fluid parts of semen into the urethra during ejaculation

Question 16

scrotum

Answer 16

external sac that contains the testes

Question 17

semen

Answer 17

spermatozoa and seminal fluid, discharged from the urethra during ejaculation

Question 18

seminal vesicles

Answer 18

paired sac-like exocrine glands that secrete fluid into the vas deferens

Question 19

seminiferous tubules

Answer 19

narrow, coiled tubules that produce sperm in the testes

Question 20

spermatozoon

plural: spermatozoa

Answer 20

sperm cell

Question 21

sterilization

Answer 21

procedure that removes a person’s ability to produce or release reproductive cells; removal of testicles, vasectomy, and oophorectomy are sterilization procedures

Question 22

stromal tissue

Answer 22

supportive, connective tissue of an organ, as distinguished from its parenchyma. also called stroma

Question 23

testis

plural: testes

Answer 23

male gonad that produces spermatozoa and the hormone testosterone

Question 24

testosterone

Answer 24

hormone secreted by teh interstitial tissue of the testes

Question 25

vas deferens

Answer 25

narrow tube (one of each side) carrying sperm from the epididymis toward the urethra. also called ductus deferens