Histology Male Reproductive System SIUmed

Question 1

outermost layer of testis

Answer 1

tunica albuginea

Question 2

body of testes

Answer 2

seminiferous tubules

Question 3

secretes testosterone

Answer 3

leydig cells

Question 4

interconnects seminiferous tubules with efferent ductules

Answer 4

rete testis

Question 5

• line the seminiferous tubules

- support germ cells

Answer 5

Sertoli cells

Question 6

finished meiosis, but not yet differentiated into spermatozoa

Answer 6

spermatids

Question 7

• basal surface of seminiferous epithelium

- divide mitotically

Answer 7

spermatogonia

Question 8

preparing for 1st meiotic division

Answer 8

primary spermatocytes

Question 9

first and second meiotic divisions

Answer 9

secondary spermatocytes

Question 10

DNA; spermatogonia

Answer 10

2N

Question 11

DNA: primary spermatocytes

Answer 11

4N

Question 12

DNA: secondary spermatocytes

Answer 12

2N

Question 13

DNA; spermatids

Answer 13

N

Question 14

DNA; spermatozoa

Answer 14

N

Question 15

divide; either mitotically or meiotically

Answer 15

• spermatogonia
• primary spermatocytes
• secondary spermatocytes
• EXCEPT; spermatids & spermatozoa

Question 16

acrosomes

Answer 16

head of spermatozoa

Question 17

acrosome enzymes

Answer 17

penetrate the oocyte

Question 18

tail of spermatozoa

Answer 18

• mitochondria spiraling around the middle piece
• two separate microtubules in the center, full length
• nine pairs of microtubules surrounding the central two
• a fibrous sheath along the principal piece
• ALL OF THE ABOVE

Question 19

DNA: Sertoli cells

Answer 19

2N

Question 20

Sertoli cells

Answer 20

• phagocytosis of residual bodies from maturing spermatids
• establishment through tight junctions of a blood/testis barrier
• metabolic and mechanical support of germ cells
• secretion of tubular fluid
• EXCEPT; secretion of testosterones

Question 21

Leydig cells

Answer 21

• eosinophilic cytoplasm
• smooth endoplasmic reticulum
• abundant mitochondria
• lipid droplets
• located interstitially

Question 22

sertoli cells

Answer 22

• produces ABP

- regulate germ cell production

Question 23

spermatids

Answer 23

• aquire an acrosome
• flagellum
• condense nuclear chromatin
• shed excess cytoplasm into residual body

Question 24

head of epididymis

Answer 24

efferent ductules

Question 25

lining of duct of epididymis

Answer 25

pseudo stratified epithelium with stereo cilia (long, non-motile microvilli)

Question 26

length of ductus epididymis

Answer 26

5 meters

Question 27

epididymis

Answer 27

- sperm maturation - sperm storage - absorb excess fluid - secretes varios factors

Question 28

spermatic cord

Answer 28

- vas deferens - blood and lymphatic vessels - nerves - straited skeletal muscles - EXCEPT; serous alveoli

Question 29

epithelium of vas deferens

Answer 29

pseudostratified epithelium with sterocilia (long, non-motile microvilli

Question 30

thickest layer of vas deferens

Answer 30

muscularis

Question 31

seminal vesicle

Answer 31

hollow tube, extensively folded mucosal lining, in a fibromuscular stroma

Question 32

ejaculatory duct connects

Answer 32

seminal vesicle with prostatic urethra

Question 33

stroma of prostate

Answer 33

fibromuscular connective tissue

Question 34

prostate

Answer 34

- mucosal (periurethral, submucosal, ad peripheral (main) glands - secretory epithelium, supported by lamina propria - simple columnar or pseudostratified - contain small concretions (corpora amyfacea) - ALL OF THE ABOVE

Question 35

semen contains fluid derived from

Answer 35

- testes - epididymis & vas deferens - seminal vesicles - bulbourethral glands - prostate - EXCEPT; corpus spongiosum & corpus carvenosa

Question 36

erectile tissue

Answer 36

- corpus spongiosum | - corpus carvenosa

Question 37

penile urethra passes through

Answer 37

corpus spongiosum

Question 38

mucosa of seminal vesicle

Answer 38

pseudostratified epithelium with secretory cells

Question 39

vascular, lined by endothelium

Answer 39

spaces within erectile tissue

Question 40

produce build of ejaculatory volume; including fructose

Answer 40

seminal vesicle

Question 41

sperm cells mature after speriogenesis

Answer 41

epidydimis

Question 42

produce sperm cells by mitosis and meiosis

Answer 42

testis

Question 43

surrounds the urethra

Answer 43

prostate

Question 44

- secretes citric acid - secretes acid phosphatase - other enzymes - into seminal fluid

Answer 44

prostate

Question 45

prostate

Answer 45

- may enlarge with age | - cause problems with urination