Male Histology

Question 1

Female egg cells divide and get rid of half of their DNA bia

Answer 1

polar bodies

Question 2

The ___ division is when the homologs separate and the ____ division is when the sister chromatids split

Answer 2

reductional; equational

Question 3

The ___ division takes the longest because ___ ___ is the longest step in gametogenesis

Answer 3

reductional; crossing over

Question 4

The secondary spermatocytes are ___ because they have two pairs of sister chromatids (aa)

Answer 4

haploid

Question 5

Spermatogenesis takes place in the ___ which are inside __ which are made up by folds of the ____ ____ which surrounds the testes

Answer 5

tubules; lobules; tunica albuginea

Question 6

Spermatozoa mature in the ____ but are immotile until they reach the ___

Answer 6

testes; epididymis

Question 7

What are the two functions of myoid cells?

Answer 7

Move sperm toward lumen and assist with steroid creation

Question 8

Leydig cells secrete

Answer 8

testosterone

Question 9

Type _ spermatogonia are committed to undergoing meiosis and will mature

Answer 9

B

Question 10

___ ___ are critical for maturation of the germline via Tex14 protein

Answer 10

cytoplasmic bridges

Question 11

The __ is a coalescence of the ___ and contains egg wall busting enzymes

Answer 11

acrosome; golgi

Question 12

The midpiece of the sperm has a bunch of ___ around it to provide energy

Answer 12

mitochondria

Question 13

Kartagener syndrome- lack of __ protein results in immotile sperm- also associated with ____ _____ infections

Answer 13

dynein and other; chronic respiratory

Question 14

In which two populations are sertoli cells the main cell type

Answer 14

pre-pubescent boys and older males

Question 15

Due to the lack of ____ supply and ____ in tubules, sertoli cells are needed for ____ and to ____ dead sperm

Answer 15

blood; macrophages; nutrition; phagocytosis

Question 16

Sertoli cells produce ____ hormone during the fetal stage

Answer 16

anti-mullerian

Question 17

Sertoli cells play a role in maintaining testosterone production by secreting these three proteins- one is a negative feedback protein and one is for positive feedback

Answer 17

androgen binding protein; inhibin; activin

Question 18

The ___ junctions of the sertoli cells provide the blood testis barrier and protect sperm from the ____ ____

Answer 18

tight; immune system

Question 19

The epididymis has a ____ epithelium with ___ which are long ____

Answer 19

pseudostratified; stereocilia; microvilli

Question 20

The secretion of glycoproteins, sialic acid, and glycerylphosphorylcholine by the epididymis is important for what?

Answer 20

Sperm motility

Question 21

The vas deferens is a muscular tube with three layers and it moves sperm forward

Answer 21

inner, circular, outer

Question 22

The epididymis has a ____ epithelium with ___ which are long ____. It also ___ fluid

Answer 22

pseudostratified; stereocilia; microvilli; resorbs

Question 23

The vas deferens is a muscular tube with what three layers and it moves sperm forward

Answer 23

inner, circular, outer

Question 24

A key secretion by the seminal vesicle is __ which provides energy to the cell

Answer 24

fructose

Question 25

What are the dense bodies of calcified protein found in the prostate of older men?

Answer 25

Corpus Amylacea

Question 26

In older men, proliferation of the ___ and __ glands cause urinary problems while proliferation of the _____ gland is important in prostate cancer

Answer 26

mucosal; submucosal; main