27. Testicular reproduction

Question 1

gamete

Answer 1

a specialized sex cell, which in humans carries 23 chromosomes—one half the number in body cells

Question 2

ovum

Answer 2

the chromosomes in one female gamete 卵子

Question 3

spermatozoon, sperm

Answer 3

the chromosomes in one male gamete 精子

Question 4

scrotum

Answer 4

a skin-covered, highly pigmented, muscular sack where the testes are located, and extends from the body behind the penis. 阴囊

Question 5

testes (singular: testis)

Answer 5

the male gonads, the male reproductive organs, produce both sperm and androgens, and are active throughout the reproductive lifespan. 睾丸

Question 6

gonads

Answer 6

性腺

Question 7

invaginate

Answer 7

内陷

Question 8

vaginalis

Answer 8

阴道肌

Question 9

seminiferous tubule

Answer 9

tightly coiled and form the bulk of each testis, are composed of developing sperm cells 生精小管

Question 10

scrotal cavity

Answer 10

阴囊腔

Question 11

spermatogonium, spermatogonia

Answer 11

精原细胞

Question 12

ejaculation

Answer 12

射精

Question 13

epididymis (plural = epididymides)

Answer 13

a coiled tube attached to the testis where newly formed sperm continue to mature. 附睾

Question 14

ductus deferens (aka: vas deferens)

Answer 14

输精管

Question 15

vasectomy

Answer 15

输精管结扎术

Question 16

seminal vesicle

Answer 16

精囊

Question 17

bulbourethral gland (or Cowper’s gland)

Answer 17

尿道球腺

Question 18

flaccid

Answer 18

松弛

Question 19

turgid

Answer 19

浮肿

Question 20

corpus cavernosum (plural = corpora cavernosa)

Answer 20

海绵体

Question 21

glans penis

Answer 21

the end of the penis 龟头

Question 22

prepuce (or foreskin)

Answer 22

The skin from the shaft extends down over the glans and forms a collar 包皮过长