Male Reproductive System Histology

Question 1

Main function of the reproductive system

Answer 1

To perpetuate the species

Question 2

Role for males reproductive system

Answer 2

Production of sperm and their delivery to the female.

Question 3

Role for females reproductive system

Answer 3

Production of eggs, providing a location for fertilization, & providing a location to house and support embryonic development.

Question 4

produce germ cells or gametes; gametes have only half the normal chromosome number as other body cells; 23 chromosomes (n number or haploid) vs. 46 chromosomes (2n or diploid)

Answer 4

Gonads

Question 5

Gonads of males

Answer 5

Testes

Question 6

Gonads of females

Answer 6

Ovaries

Question 7

What do testes produce?

Answer 7

Germ cells

Question 8

Straight tubules, rete testis, efferent ductules, ductus epididymis, ductus deferens or vas deferens, ejaculatory duct, urethra)

Answer 8

Passageways of Male reproductive system

Question 9

Seminal vesicles, prostate gland, bulbourethral gland

Answer 9

Accessory glands of Male productive system

Question 10

Male copulatory organ

Answer 10

Penis

Question 11

What function do testes have?

Answer 11

Endocrine and exocrine

Question 12

Production of spermatozoa

Answer 12

Spermatogenesis

Question 13

Testes produce androgens, primarily testosterone; steroidogenesis

Answer 13

Endocrine

Question 14

Testes produce sperm

Answer 14

Exocrine

Question 15

Spermatogonia undergoing mitosis; spermatogonia to spermatocytes

Answer 15

Spermatogonial phase

Question 16

spermatocytes undergoing meiosis (I & II); spermatocytes to spermatids

Answer 16

Spermatocyte phase

Question 17

Maturation process; spermatids to spermatozoa

Answer 17

Spermatid phase

Question 18

Spermatogonial phase + Spermatocyte Phase =

Answer 18

Spermatocytogenesis

Question 19

Where are testes located?

Answer 19

Scrotum

Question 20

Where is the scrotum?

Answer 20

Outside abdominopelvic cavity

Question 21

Temperature of the scrotum

Answer 21

34 deg C

Question 22

Normal body temp

Answer 22

37 deg C

Question 23

Why is temp lower in scrotum necessary?

Answer 23

For sperm production

Question 24

Where do testis begin their development?

Answer 24

Retroperitoneal position in the abdominal wall

Question 25

What lines Seminiferous tubules?

Answer 25

Complex stratified Epithelium

Question 26

What cells are found in seminiferous tubules?

Answer 26

Sertoli cells and Spermatogenic cells

Question 27

Types of Spermatogonia cells

Answer 27

Type A dark Type A pale Type B

Question 28

Types of spermatogenic cells

Answer 28

- Spermatogenic - Primary spermatocytes - Secondary Spermatocytes - Spermatids

Question 29

lined only with Sertoli cells; at very end switch to cuboidal epithelium with underlying dense connective tissue.

Answer 29

Straight tubules (aka tubuli recti)

Question 30

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 30

Rete testis

Question 31

Leave the testes and enter head of epididymis; lined with pseudostratified columnar epithelium with groups of nonciliated cuboidal cells with microvilli alternating with groups of taller ciliated cells; some circularly oriented smooth muscle cells can be found around these ducts; carry sperm to duct of the epididymis.

Answer 31

Efferent ductules

Question 32

Trace the path of spermatozoa

Answer 32

Seminiferous tubules -> Straight tubules ->Rete testis -> Efferent ductules

Question 33

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 33

Ductus epididymis

Question 34

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 34

Ductus deferenes or Vas deferens

Question 35

Dilated area where epithelium is thicker and more folded

Answer 35

Ampulla

Question 36

Portion of the ductus deferens in prostate gland, after the seminal vesicles join, no muscular layer

Answer 36

Ejaculatory duct

Question 37

What lines the prostatic urethra?

Answer 37

Transitional epithelium

Question 38

What lines the membranous urethra?

Answer 38

-Stratified columnar or Pseudostratified columnar

Question 39

What lines the spongy or penile urethra?

Answer 39

Pseudostratified columnar

Question 40

What produces seminal fluid

Answer 40

-Seminal vesicles -Prostate fland Bulbourethral glands

Question 41

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; joins with ampulla of ductus deferens to form ejaculatory duct.

Answer 41

Seminal vesicles

Question 42

Collection of 30-50 tubuloalveolar glands embedded in a dense fibromuscular stroma; covered by a fibroelastic capsule; contains corpora amylaceaor prostatic concretions;empties into prostatic urethra.

Answer 42

Prostate gland

Question 43

Compound tubuloalveolar glands; lined with mucous-secreting simple columnar epithelium; located in urogenital diaphragm and empty into the proximal part of the penile urethra

Answer 43

Bulbourethral glands (aka Cowpers glands)

Question 44

When does an errection occur?

Answer 44

When erectile tissue fills with blood

Question 45

What are the dorsal paired cylinders?

Answer 45

Corpora cavernosa

Question 46

Single ventral cylinder

Answer 46

Corpus spongiosum

Question 47

What surrounds the spongy urethra?

Answer 47

Corpus spongiosum

Question 48

What lines the spongy urethra?

Answer 48

Pseudostratified columnar and the end is stratified squamous