Spermatogenesis and anatomy

Question 1

What are the initial spermatogenic stem cells called that give rise to sperm cells

Answer 1

spematogonia

Question 2

Does spermatogonia undergo both mitosis and meiosis

Answer 2

yes

Question 3

What is the first stage of spermatogenesis, the primary spermatocyte

Answer 3

Daughter cells from mitosis separates from the spermatogonia and bloodstream and enter meiosis

Question 4

What is the barrier between spermatogonia and developing sperm cells called

Answer 4

Blood testis barrier

Question 5

What is the function of the blood testis barrier

Answer 5

Immunological responses to the genetically foreign cell (new sperm cells) produced during meiosis

Question 6

what is the product of the first meiotic division

Answer 6

Secondary spermatocytes

Question 7

what are the products of the second meiotic division

Answer 7

spermatids

Question 8

Early spermatids are what

Answer 8

small, round, haploid cells without the distinctive sperm characteristics of the head and tail

Question 9

After leaving the epithelium of seminiferous tubules, developing spermatids are called

Answer 9

spermatozoa

Question 10

Further maturation of the spermatozoa is stored where

Answer 10

epididymis

Question 11

describe the structure of the epidydmis

Answer 11

6-7 metres of coiled tube, composed of a head body and tail. Adjoining the seminiferous tubules

Question 12

where and how does the sperm learn to swim

Answer 12

after entering the head of the epidydmis and travelling dwn it

Question 13

What is the vas deferens/ductus deferens for?

Answer 13

Storage of mature, motile sperm

Question 14

The spermatic cord is

1) made of what tissue
2) encloses what

Answer 14

1) Connective 2)Vas deferens, blood vessels, nerve fibres and lymphatic vessels

Question 15

The spermatic cord runs over what regions

Answer 15

Front of the pubic bone, up over the top of the bladder and then down the back of the bladder into the prostate gland