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Histo > Male Reproductive System > Flashcards

Male Reproductive System Flashcards

1
Q

Type of gland - Testis

A

Compound Tubular Gland

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2
Q

Undescended testis

A

Cryptochordism

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3
Q

Solution/procedure to resolve Cryptochordism

A

Orchidopexy

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4
Q

Double layer of the testis mesothelium with a potential space

A

Tunica Vaginalis

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5
Q

Also called testicular capsule

A

Tunica albugine

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6
Q

Layer of the testis, dense fibroelastic CT with smooth muscle cells

A

Tunica albuginea

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7
Q

Thickest, most prominent layer of the testis layers

A

Tunica Albuginea

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8
Q

3 layers of the testis:

A

T. Vaginalis
T. Albuginea
T. Vasculosa

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9
Q

The seminiferous tubules have thick or thin basal lamina?

A

Thin basal lamina

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10
Q

Epithelium of the seminiferous tubules is

A

Germinal or Seminiferous Epithelium with complex stratified epithelium

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11
Q

Tunica propria of fibroelastic CT around tubules is present

A

Peritubular tissue

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12
Q

What type of cells are present within the seminiferous epithelium

A

Sustentacular or Sertoli Cells

Spermatogenic Cells

  • Spermatogonia
  • Spermtocytes
  • Spermatids
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13
Q

Tall columnar pillar-like cells extending upward through the full thickness of the epithelium found bet spermatogenic cells

A

Sertoli cells

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14
Q

Thin cytoplasmic processes surrounds the spermatogenic cells

A

Sertoli Cells

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15
Q

Crystalloids of Charcot-Bottcher

A

Sertoli Cells

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16
Q

Plays an active role in the release of spermatozoa

A

Sertoli cells

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17
Q

They have phagocytic activity -digest cytoplasmic fragements

A

Sertoli

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18
Q

Steroid production from progesterone

A

Sertoli

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19
Q

What does sertoli cells secrete

A

Androgen binding protein and inhibin

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20
Q

Plays a role in Receptor mediated binding of testosterone and metabolism to DHT

A

Sertoli

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21
Q

Serves as a conduit for the passage of nutrients from the blood vascular system to the spermatocytes and spermatids

A

Sertoli

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22
Q

What forms the blood testis barrier?

A

Sertoli cells attached by occluding junctions that divide the seminiferous tubules into 2 compartments that impede passage of substances occupied by spermatogonia.

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23
Q

This compartment of the BT comprises the interstitial space and the spaces occupied by the spermatogonia

A

Basal compartment

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24
Q

This compartment of the BT barrier comprises the tubule lumen and the intercellular spaces down to the level of the occluding junctions.

A

Adluminal

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25
Q

Where spermatocytes, spermatids, spermatozoa are

A

Adluminal compartment

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26
Q

What happens to the cytoplasmic residues from spermatids

A

Undergo phagocytosis by the sertoli cells and are digested by lysozomal enzymes

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27
Q

Spermatogenic cells are ______ layers from the b. lamina to the lumen

A

4-8

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28
Q

The spermatogenic cells differentiate progressive from basal region to the lumen

A

Mema

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29
Q

Most mature spermatogenic cells are closer to the

A. Basal region?
B. Luminal region

A

Luminal region

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30
Q

3 phases of spermatogenesis

A
  1. Spermatocytogenesis
  2. Meiosis
  3. Spermiogenesis
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31
Q

Phase of spermatogenesis that undergo 2 maturation division which reduce the chromosomal number by half & produce a cluster of spermatids

A

Meiosis

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32
Q

Spermatids undergo a series of cytological transformation leading to —> spermatozoa

A

Spermiogenesis

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33
Q

Most primitive spermatogonia give rise to several successive generations of spermatogonia and yields spermatocytes

A

Spermatocytogenesis

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34
Q

Cells of subsequent sperm divisions stay connected by

A

Intercellular cytoplasmic bridges

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35
Q

Basic structural feature of the spermatozoon is the

A

Head

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36
Q

Head of spermatozoon consists primarily of

A

Condensed nuclear chromatin

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37
Q

The mature sperm are inactive in the ducts and are activated by secretions of what

A

Accessory genital glands

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38
Q

Shape of the head of sperm

A

Flattened oval body, pear shaped

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39
Q

Part of the sperm wheee nucleus is

A

Head

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40
Q

Present in acrosomal cap at the head of the soerm

A

Lysosomal enzyme

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41
Q

Absence of mitochondrial sheath

A. Tail -principal sheath
B. Tail- middle sheath
C. Tail -end piece

A

B

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42
Q

Covered only by flagellar membrane

A. Tail -principal sheath
B. Tail- middle sheath
C. Tail -end piece

A

C

43
Q

Endocrine component of the testis -produces Testosterone

A

IT cell of leydig

44
Q

Irregulary polyhedral closely packed, occuring in clusters? With extensive SER

A

Leydig cells

45
Q

Ano meron sa cytoplasmic crystal of reinke?

A

Idk :|

46
Q

Short straight continuation of the semeniferous tubule

A

Tubuli recti

47
Q

Cells present in the tubuli recti

A. Spermatogenic
B. Sertoli

A

B

48
Q

Network of anastomosing channels found in the mediastinum

A

Rete testis

49
Q

Linining of rete testis

A

Cuboidal lining epithelium

50
Q

With only MOTILE CILIA in the male reproductive tract

A

Ductuli Efferentes

51
Q

Lining of ductuli efferentes

A

Alternating tall ciliated and short non-ciliated / UNEVEN SCALLOPED EPITHELIUM

Non-ciliated cells with microvilli coated with glycocalyx; fluid absorption

52
Q

Fusion of the _______ forms a highly coiled duct = epididymis

A

Coni vasculosi

53
Q

Site of sperm accumulation, storage and maturity

A

Epididymis

54
Q

Lining of epididymis

A

Pseudostratified columnar epithelium, with STEREOCILIA

55
Q

Epididymis - presence of smooth musculature gradually increasing in thickness from blank to blank

A

Proximal to distal

56
Q

Is it true that the epididymis have fast rhythmic peristalsis. T/F?

A

F. Slow, rhythmic

57
Q

Direct continuation of the epididymis

A

Ductus deferens

58
Q

Terminal dilatation at the ductus deferens

A

Terminal dilatation

59
Q

3 coats if the ductus deferens

A

MMF

Mucosa
Muscularis
Fibrosa

60
Q

Ductus deferens

Mucosa is thrown into _______
Its lining is
Characteristic shapw

A

Folds —> star shaped appearance

Pseudostratified columnar epithelium

61
Q

Thickest coat in ductus deferens

Mucosa
Muscularis
Fibrosa

A

Muscularis

62
Q

3 smooth muscle layers of the muscularis coat of ductus deferens

A

ILMCOL

63
Q

Adventitia of rhe ductus deferwns is composed of

A

Fibroelastic CT

64
Q

Short, terminal segment formed at the junction of the ampulla of Ductus deferens and the excretory ducts of the seminal vesicle

A

Ejaculatory duct

65
Q

Ejaculatory duct pierces what structure

A

Prostate gland and opens in the urethra

66
Q

Epithelial lining of the ejaculatory duct

A

Simple columna epithelium/pseudostratified columnar epithelium

Transitional epithelium near the urethral opening

67
Q

T or F

The ejaculatory duct has more than 2 types of lining epithelium

A

T

68
Q

Highly convoluted glandular outpocketings that open in the ductus deferens at the junction of the ampulla and ejaculatory duct

A

Seminal vesicle

69
Q

Fluid in the seminal vesicle

A

Yellowish viscid alkaline fluid with:

Fructose
Fibrinogen
Vit. C

70
Q

T/F. The seminal vesicle is a storage site for spermatozoa. T or F

A

F

71
Q

Special characteristic of seminarl vesicle

A

(+) Honeycomb appearance

72
Q

Reason for honeycomb apprarance in the seminal vesicle

A

Mucosa is highly folded formung irregular chambers

73
Q

Smooth muscle wall of seminal vessicle

A

Inner and outer LONGITUDINAL

74
Q

Lining epithelium of seminal vesicle

A

Pseudostratified non-ciliated

75
Q

Large unpaired gland surrounding the first part of the urethra

A

Prostate

76
Q

Secretions of the prostate gland make up _____% of semen;

A

75

77
Q

Semen

Give characteristics and contents

A

thin, milky, rich in citric acid and hydrolytic enzymes

78
Q

Prostate gland type of gland

A

Beanched tubulo-alveolar

79
Q

Smooth muscles of the prostate gland are innervated by the

A

SNS

80
Q

Lining of prostate gland

A

Secretory alveoli lined by simple columnar or pseudostratified col. non-ciliated epithelium

81
Q

Prostatic concretions also known as

A

Corpora Amylacea

82
Q

zones of the prostate gland

A

Central
Peripheral
Transition

83
Q

25% if the prostate
Surrounds Ejaculatory ducts
2.5% of prostate cancer

Central
Peripheral
Transition

A

Central

84
Q

70% if the gland
Surrounds distal urethra
70-80% if prostate ca

Central
Peripheral
Transition

A

Peri

85
Q

Zone of prostate that surrounds proximal urethra: BPH

A

Transition zone

86
Q

Most common site for adenocarcinoma

A

Peripheral zone

87
Q

Pair of pea sized bodies lying posterolateral to the membranous urethra

A

Bulbourethral Gland/Cowper’s Gland

88
Q

Bulbourethral gland type of gland

A

Compound tubulo-alveolar gland

89
Q

Lining epithelium of cowper’s gland

A

Simple columnar

90
Q

Secrete mucus into the urethra for epithelial lubrication

A

Bulbourethral gland

91
Q

3 cylindrical erectile tissues of the penis

A

Paired corpora cavernosa

Single corpus spongiosum

92
Q

Condensed fibroelastic tissue (t. Albuginea) of the penis thickest around the __________

A

Cavernous bodies

93
Q

Vascular sinuses of the penis supplied by

A

Helicine Arteries/Arterioles

94
Q

Erection of the penis

A. Sympa
B. Parasympa

A

Parasympa

95
Q

Ejaculation of the penis

Sympa
Parasyma

A

Sympa

96
Q

Term used to describe “end of excitement”

A

Detumescence

^Climax

97
Q

Semen

A

3.5 mL containing 50-150 million spermatozoa

98
Q

Metabolites for motility within semen

A

Fructose, citrate

99
Q

Barrier between lumen of seminiferous tubules and extratubular compartment

A

Blood testis permeability barrier

100
Q

In the adluminal compartment, there is direct exchange if nutrients between spermatocyte and interstitial vasculature. T or F

A

F

101
Q

Thickest portion of vas deferens is

A

Muscularis

102
Q

Lining of epididymis

A

Pseudostratified col. epi. with stereocilia

103
Q

First cell to have haploid chromosome in spermatogenesis

A

Secondary spermatocyte

104
Q

Organelle the will form a flagellum in spermiogenesis

A

Centriole

Histo (7 decks)

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