Male reproductive system histology

Question 1

What is the endocrine function of the the testes?

Answer 1

Produce testosterone

Question 2

What is the exocrine function of the testes?

Answer 2

Produce sperm

Question 3

Spermiogenisis is what part of the process?

Answer 3

The maturation process

Question 4

Spermatocytogenisis refers to what?

Answer 4

Formation of the spermatogonia

Question 5

Spermatogonial phase is related to what?

Answer 5

Mitosis

Question 6

The spermatocyte phase is related to what?

Answer 6

Meiosis

Question 7

The temperature in the scrotum needs to be ____ degrees. Why?

Answer 7

34 degrees celsius. This is the required temperature for sperm production

Question 8

T/F there are different lobules in the testes?

Answer 8

True- each lobule contains seminiferous tubules

Question 9

Which cells produce testosterone?

Answer 9

The leydig cells

Question 10

The straight tubule is also called what?

Answer 10

Tubulus rectus

Question 11

What houses the rete testis?

Answer 11

the mediastinum of the testes

Question 12

What types of cells are found in the seminiferous tubules?

Answer 12

Sertoli cells

Spermatogenic cells

Question 13

The seminiferous tubules are line with what type of cells?

Answer 13

Complex stratified epithelium

Question 14

What is the role of the sertoli cells?

Answer 14

Support- create a physical barrier- a blood testes barrier

Question 15

Spermatogonia are the most _______ of the cells.

Answer 15

immature

Question 16

In the seminiferous tubes, where will spermatogonia be found?

Answer 16

Around the outside- the more mature the cell, the further it moves towards the center

Question 17

Type A dark spermatogonia give rise to what?

Answer 17

More type A dark as well as type A pale spermatogonia

Question 18

T/F type A pale spermatogonia are dedicated to move on

Answer 18

True

Question 19

What type of division do type A and B go through?

Answer 19

Mitosis

Question 20

What are the cells called sitting on the basal layer (the outside with cells growing inward)?

Answer 20

Spermatogonia (the most immature cells)

Question 21

Type A pale and Type B spermatogonia begin to divide, what type of division is seen?

Answer 21

Meiosis

Question 22

When the cells go through meiosis 1, what are they called?

Answer 22

Primary spermatocytes

Question 23

Once the cell is going through meiosis 2, what is it called?

Answer 23

Secondary spermatocyte (won’t see these)

Question 24

Once meiosis 2 is finished, what is the cell called and where is it found?

Answer 24

spermatids- found towards the lumen (the center)

Question 25

Straight tubules are lined with which cells?

Answer 25

sertoli cells

Question 26

What is the rete testis?

Answer 26

interconnected network of channels lined with cuboidal/columnar epithelium with cilium and a few microvilli

Question 27

What are the three excretory ducts?

Answer 27

Epididymis Ductus deferens/vas deferens Urethra

Question 28

What are the three parts/divisions of the urethra?

Answer 28

Prostatic urethra Membranous urethra Spongy/penile urethra

Question 29

There are three male accessory glands- what are they?

Answer 29

The seminal vesicles The prostate gland The bulbourethral glands

Question 30

What do the male accessory glands produce?

Answer 30

Seminal fluid

Question 31

What is seminal fluid?

Answer 31

It is the medium in which the sperm leave the male body

Question 32

What is the shape of the nucleus of a sertoli cell?

Answer 32

Triangular

Question 33

The seminal vesicles connect with what to form the ejaculatory duct?

Answer 33

the vas deferens (ductus deferens)

Question 34

T/F The prostate gland is a collection of 30-50 tubuloalveolar glands.

Answer 34

T

Question 35

From outside to inside, what are the levels of cells in the seminiferous tubules

Answer 35

Spermatogonia (type A and B- found on the outside) Primary spermatocytes Secondary spermatocytes Spermatids

Question 36

The prostate gland empties into what?

Answer 36

The prostatic urethra

Question 37

What is the flow of the spermatocyte?

Answer 37

Starts in the seminiferous tubules, goes to the straight tubules, to the rete testes, to the efferent ductules- to the epididymis- to the ductus deferens- to the ejaculatory duct to the urethra and out

Question 38

The bulbourethral glands (cowper's glands) empty into what?

Answer 38

The proximal part of the penile urethra

Question 39

What needs to fill with blood in order for an erection to occur?

Answer 39

The two corpus cavernosum (dorsally paired) | The corpus spongiosum (single- ventral)