Reproductive Unit

Question 1

-didym

Answer 1

testes

Question 2

-epi

Answer 2

beside

Question 3

ejac-

Answer 3

to shoot forth

Question 4

Gonads

Answer 4

Primary sex organs responsible for producing gametes and sex hormones

Question 5

Acessory Reproductive Organs

Answer 5

Structures used to transport and nourish gametes prior to fertilization

Question 6

Seminiferous Tubules

Answer 6

Tightly coiled in each testie. Where sperm is produced

Question 7

Epididymis

Answer 7

Tightly coiled tube (6m). Where sperm matures in 20 days.

Question 8

Vas Deferens

Answer 8

Where sperm goes after maturation

Question 9

Ampulla of vas deferens

Answer 9

Where sperm is stored.

Question 10

Ejaculation

Answer 10

Occurs after sexual stimulation. Sperm is expelled into ejaculatory duct and out the urethra.

Question 11

Seminal vesicles

Answer 11

Forms semen. provides sperm with nutrition and mobility through muscular contraction. Clotts the ejaculate.

Question 12

Prostate gland

Answer 12

Thins semen for easier sperm movement. Provides citric acid for energy.

Question 13

Cowper’s gland

Answer 13

An alkaline fluid used to neutralize the urethra and to lubricate the penis

Question 14

Scrotum

Answer 14

Contains testes. Maintains ideal temp. for sperm survival which is 2-3 lower than normal body temp.

Question 15

Cremaster muscles

Answer 15

Muscles control how near testes are to body based on outside temp

Question 16

Penis

Answer 16

Structure that delivers sperm into the female repro. sys. Contains shaft, glans penis, and erectile tissue

Question 17

Erectile Tissue

Answer 17

Spongy internal tissue that fills with blood during sexual excitement, causing an erection.

Question 18

Spermatogenesis

Answer 18

Process of sperm production. Begins with stem cells called spermatogonia

Question 19

Spermatogonia

Answer 19

Divide through meiosis to create 4 spermatids with 23 chromosomes

Question 20

Spermiogenesis

Answer 20

Final process. Spermatids take final shape of mature sperm. Migrate towards lumen of seminiferous tubule

Question 21

Head

Answer 21

Contains nucleus of sperm. Has acrosome on front portion that has enzymes to break into the egg.

Question 22

Midpiece

Answer 22

Surrounded by mitochondria, gives sperm the energy to swim.

Question 23

Tail

Answer 23

Provides movement of the sperm

Question 24

Follicles

Answer 24

Clusters of cells surrounding egg (ova). Only abt 400 out of 400,000 follicles mature into eggs

Question 25

Ovulation

Answer 25

Release of mature egg