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Anatomy - Sav > Male Reproductive System Histology > Flashcards

Male Reproductive System Histology Flashcards

1
Q

Main function of the reproductive system

A

To perpetuate the species

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2
Q

Role for males reproductive system

A

Production of sperm and their delivery to the female.

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3
Q

Role for females reproductive system

A

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

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4
Q

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)

A

Gonads

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5
Q

Gonads of males

A

Testes

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6
Q

Gonads of females

A

Ovaries

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7
Q

What do testes produce?

A

Germ cells

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8
Q

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

A

Passageways of Male reproductive system

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9
Q

Seminal vesicles, prostate gland, bulbourethral gland

A

Accessory glands of Male productive system

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10
Q

Male copulatory organ

A

Penis

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11
Q

What function do testes have?

A

Endocrine and exocrine

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12
Q

Production of spermatozoa

A

Spermatogenesis

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13
Q

Testes produce androgens, primarily testosterone; steroidogenesis

A

Endocrine

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14
Q

Testes produce sperm

A

Exocrine

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15
Q

Spermatogonia undergoing mitosis; spermatogonia to spermatocytes

A

Spermatogonial phase

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16
Q

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

A

Spermatocyte phase

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17
Q

Maturation process; spermatids to spermatozoa

A

Spermatid phase

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18
Q

Spermatogonial phase + Spermatocyte Phase =

A

Spermatocytogenesis

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19
Q

Where are testes located?

A

Scrotum

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20
Q

Where is the scrotum?

A

Outside abdominopelvic cavity

21
Q

Temperature of the scrotum

A

34 deg C

22
Q

Normal body temp

A

37 deg C

23
Q

Why is temp lower in scrotum necessary?

A

For sperm production

24
Q

Where do testis begin their development?

A

Retroperitoneal position in the abdominal wall

25
Q

What lines Seminiferous tubules?

A

Complex stratified Epithelium

26
Q

What cells are found in seminiferous tubules?

A

Sertoli cells and Spermatogenic cells

27
Q

Types of Spermatogonia cells

A

Type A dark
Type A pale
Type B

28
Q

Types of spermatogenic cells

A
  • Spermatogenic
  • Primary spermatocytes
  • Secondary Spermatocytes
  • Spermatids
29
Q

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

A

Straight tubules (aka tubuli recti)

30
Q

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.

A

Rete testis

31
Q

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.

A

Efferent ductules

32
Q

Trace the path of spermatozoa

A

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

33
Q

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.

A

Ductus epididymis

34
Q

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.

A

Ductus deferenes or Vas deferens

35
Q

Dilated area where epithelium is thicker and more folded

A

Ampulla

36
Q

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

A

Ejaculatory duct

37
Q

What lines the prostatic urethra?

A

Transitional epithelium

38
Q

What lines the membranous urethra?

A

-Stratified columnar or Pseudostratified columnar

39
Q

What lines the spongy or penile urethra?

A

Pseudostratified columnar

40
Q

What produces seminal fluid

A

-Seminal vesicles
-Prostate fland
Bulbourethral glands

41
Q

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.

A

Seminal vesicles

42
Q

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.

A

Prostate gland

43
Q

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

A

Bulbourethral glands (aka Cowpers glands)

44
Q

When does an errection occur?

A

When erectile tissue fills with blood

45
Q

What are the dorsal paired cylinders?

A

Corpora cavernosa

46
Q

Single ventral cylinder

A

Corpus spongiosum

47
Q

What surrounds the spongy urethra?

A

Corpus spongiosum

48
Q

What lines the spongy urethra?

A

Pseudostratified columnar and the end is stratified squamous

Anatomy - Sav (10 decks)

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