Module 16 - Male Reproductive System

Question 1

What muscles attach on the bottom portion of each testes

Answer 1

Dartos muscles (smooth muscle)

Question 2

What muscles surrounds the spermatic cords and pulls testes closer to body?

Answer 2

cremaster muscle

Question 3

Each testes tubules contain smaller tubules called ________.

Answer 3

seminiferous tubules

Question 4

each tubule is lined with special celled known as _______ epithelium

Answer 4

germinal

Question 5

germinal cells give rise to

Answer 5

sperm cells

Question 6

special cells in the seminiferous tubules are called

Answer 6

sustentacular cells

Question 7

sustentacular cells ______ & _____ germinal cells

Answer 7

protect & support

Question 8

Hollow space running through center of each tubule is called

Answer 8

lumen

Question 9

spermatogenesis

Answer 9

germinal cells develop into sperm cells

Question 10

germ cells under go what type of cell division

Answer 10

meiosis

Question 11

All seminiferous tubules merge to form

Answer 11

rete testis

Question 12

Sperm cells partially mature in a ____ _____ before moving out of testis into a spermatic duct called the _______.

Answer 12

rete testis

epididymis

Question 13

interstitial cells, found between seminiferous tubules are the primary source of _______

Answer 13

testosterone

Question 14

how many days does it take sperm to travel through the epididymis to the distal end for storage?

Answer 14

20 days

Question 15

The ductus deferens carries sperm to unite with a duct from the ____ _____

Answer 15

seminal vesicle

Question 16

What is the duct called at the point where the ductus deferens and seminal vesicles merge?

Answer 16

ejaculatory duct

Question 17

ejaculatory duct carries sperm through the ___ ____ into the urethra

Answer 17

prostate gland

Question 18

during fetal development _____ germ cells (2n) develop to become spermatogonia & remain dormant until puberty

Answer 18

primordial

Question 19

sperm cells mature in a process known as

Answer 19

spermiogenesis

Question 20

during development spermatids grow ______.

Answer 20

flagella

Question 21

The head of sperm contains a ______ nucleus & a cap digestive enzyme known as _____.

Answer 21

haploid; acrosome

Question 22

The enzymes in a acrosome help penetrate the outer portion of a _____ _____ during fertilization

Answer 22

secondary oocyte

Question 23

The midpiece of a sperm cells contains _______ to provide energy (ATP) required for sperm to move

Answer 23

mitochondria

Question 24

the tail end called _______ uses ATP from midpiece to propel sperm

Answer 24

flagellum

Question 25

seminal fluid contains what?

Answer 25

fructose
citrate (alkaline)
prostaglandins (stimulates smooth muscle in uterus)

Question 26

What does semen contain

Answer 26

60% seminal fluid
30% prostate fluid
10% bulbourethral fluid (lubricates)

Question 27

______ fluid elevates pH and help sperm survive

Answer 27

prostate