Male Repro Histo

Question 1

components of the male reproductive system

Answer 1

testes, passageways, accessory glands, and penis

Question 2

testes have endocrine function, as they produce ____, primarily ____ through steroidogenesis

Answer 2

androgens; testosterone

Question 3

testes have exocrine function, as they produce ____

Answer 3

sperm (aka spermatozoa)

Question 4

spermatogenesis (production of spermatozoa) steps:

Answer 4

1. spermatogonial phase
2. spermatocyte phase
3. spermatid phase

Question 5

spermatogonial phase is spermatogonia undergoing ____ and going from spermatogonia to ____

Answer 5

mitosis; spermatocytes

Question 6

spermatocyte phase is spermatocytes undergoing ____ and going from spermatocytes to ____

Answer 6

meiosis I and II; spermatids

Question 7

spermatid phase is also called ____; it is a ____ process in which spermatids become ____

Answer 7

spermiogenesis; maturation; spermatozoa

Question 8

_____ is from spermatogonia to spermatids and includes both the spermatogonial and spermatocyte phases

Answer 8

spermatocytogenesis

Question 9

seminiferous tubules lined by a complex ____ epithelium

Answer 9

stratified

Question 10

two cells found in seminiferous tubules

Answer 10

1. sertoli cells (supporting or sustentacular cells)

2. spermatogenic cells

Question 11

types of spermatogenic cells

Answer 11

spermatogonia, primary spermatocytes, secondary spermatocytes, spermatids

Question 12

types of spermatogonia

Answer 12

• type A dark (Ad) spermatogonia
• type A pale (Ap) spermatogonia
• type B spermatogonia

Question 13

spermatozoa move from:

Answer 13

seminiferous tubules –> straight tubules (tubuli recti) –> rete testis –> efferent ductules

Question 14

intratesticular ducts are:

Answer 14

1. straight tubules (aka tubuli recti)

2. rete testis

Question 15

straight tubules are short straight tubules lined only with ____ cells; at very end switch to ___ epithelium with underlying ____

Answer 15

Sertoli; cuboidal; dense connective tissue

Question 16

interconnected network of channels lined with cuboidal epithelium or low columnar epithelium (or even simple squamous) with underlying dense connective tissue; epithelial cells have a single apical cilium and a few short apical microvilli

Answer 16

rete testis

Question 17

____ leave the testes and enter the head of the epididymis

Answer 17

efferent ductules

Question 18

efferent ductules are lined with ____ epithelium with groups of nonciliated cuboidal cells with microvilli alternating with groups of taller ciliated cells

Answer 18

pseudostratified columnar

Question 19

some ____ oriented ____ muscle cells can be found around the efferent ductules; they carry sperm to duct of the ____

Answer 19

circularly; smooth; epididymis

Question 20

highly coiled; lined with pseudostratified columnar epithelium composed of rounded basal cells and columnar cells with stereocilia (known as principal cells); surrounded by smooth muscle cells; 4-5 meters in length; storage and completion of maturation process occurs here

Answer 20

ductus epididymis

Question 21

lined with pseudostratified columnar epithelium with sparse stereocilia; muscularis has three layers of smooth muscle; mucosa lies in longitudinal folds; narrow lumen and with thick, muscular wall; long, straight tube, which is part of spermatic cord

Answer 21

ductus deferens or vas deferens

Question 22

dilated area of vas deferens where epithelium is thicker and more folded

Answer 22

ampulla

Question 23

portion of the ductus deferens in prostate gland; after the seminal vesicles join; no muscular layer.

Answer 23

ejaculatory duct

Question 24

prostatic urethra lined with ____

Answer 24

transitional epithelium

Question 25

the membranous urethra is lined with ____ or ____

Answer 25

stratified columnar epithelium; pseudostratified columnar epithelium

Question 26

spongy or penile urethra is lined by ____

Answer 26

pseudostratified columnar epithelium

Question 27

the male accessory glands produce ____, the medium in which sperm leaves the male body

Answer 27

seminal fluid

Question 28

male accessory glands include:

Answer 28

• seminal vesicles
• prostate gland
• bulbourethral glands

Question 29

two highly tortuous tubular glands lined with simple columnar epithelium or pseudostratified columnar epithelium rich in secretory granules; smooth muscle in inner circular and outer longitudinal arrangement; thin folds seen in lumen to increase secretory surface area

Answer 29

seminal vesicles

Question 30

the seminal vesicles join with the ____ to form the ____

Answer 30

ampulla of the vas deferens; ejaculatory duct

Question 31

collection of 30-50 tubuloalveolar glands embedded in a dense fibromuscular stroma; covered by a fibroelastic capsule

Answer 31

prostate gland

Question 32

the prostate gland contains ____ or ____ and empties into the prostatic urethra

Answer 32

corpora amylacea; prostatic concretions

Question 33

bulbourethral glands or cowper’s glands are ____ glands lined with mucous secreting simple columnar epithelium

Answer 33

compound tubuloalveolar

Question 34

bulbourethral glands located in ____ and empty into the proximal part of the ____

Answer 34

urogenital diaphragm; penile urethra

Question 35

the dorsal paired cylinders of erectile tissue of the penis are the ____ and the single ventral cylinder is the ____ which surrounds the spongy urethra (majority lined with ____, very end lined with ____)

Answer 35

corpora cavernosa; corpus spongiosum; pseudostratified columnar epithelium; stratified squamous epithelium