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 fro mthe male urethra.

Question 3

Ejaculatory duct

Answer 3

Tuve through which semen enters the male urethra.

Question 4

Epididymis

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. Conjoined twins are incompletely separated identical twins.

Question 10

Interstitial cells of the testes

Answer 10

Specialized cells that lie adjacent to the seminiferous tubules int the testes. These cells produce testosterone and are also called Leydig cells.

Question 11

Parenchymal tissu

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 visicles

Answer 18

Pared sac-like exocrine glands that secret fluid (a major component of semen) into the vas dererons.

Question 19

Seminiferous tubules

Answer 19

Narrow, coiled tubules that produce sperm in the testes.

Question 20

Spermatozoon

Answer 20

Sperm cell

Question 21

Sterilization

Answer 21

Procedure that removes a person’s ability to produce or release reproduction 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 stoma.

Question 23

Testis

Answer 23

Male gonad that produces spermatozoa and the hormone testosterone. Remember Testis means one testicle and testes means two.

Question 24

Testosterone

Answer 24

Hormone secreted by the interstitial tissue of the testes; responsible for male sex characteristics.

Question 25

Vas deferens

Answer 25

Narrow tube (one on each side) carrying perm from the epididymis toward the urethra. Also called ductus deferens.