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anatomy > Histology Of Male Reproductive System > Flashcards

Histology Of Male Reproductive System Flashcards

1
Q

The inner side of each testis surrounded by

A

Capsule of collagen type I (known as tunica albuginea).

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2
Q

Tunica albuginea thicken at which part

A

Posteriorly, called medidestinum

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3
Q

where dows the septa penetrate the testis

A

tunica albuginea

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4
Q

how many testicular lobule in one testis

A

250

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5
Q

each testicular lobule contain how much seminiferous tubles

A

1-4

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6
Q

What does the interstitial space of the seminiferous tubules contain

A

loose reticular CT, fibroblasts, mast cells, macrophages, and a type of cells called interstitial cells of Leydig

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7
Q

What cells secret testosterone

A

Leydig cells

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8
Q

How does leydig cells secret testosterone

A

By enzymes in ser & mitschondrid

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9
Q

What muscle cells found in seminiferous tubules

A

myoid cells

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10
Q

When does leydig cells get activated for the first time

A

Third & fourth months of pregnancy

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11
Q

When does legdig cells get activated the second time

A

Puberty

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12
Q

What kind of epithelium inside siminferous tubules

A

germinal or seminiferous epithelium

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13
Q

What differanare seminiferous epithelium of others

A

Contain cells of spermatocytogensis & serroli

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14
Q

What’s the first cell of spermanocytogensis

A

Spermanogonia

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15
Q

Discreab spermatogonia morphology

A

Oval with dark nucleus & 46 chromosomes

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16
Q

Spermaragonia will give a rise to

A

Spermanogenium A

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17
Q

Spermangonum morphology

A

Oval, pail with 46 chromosome

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18
Q

Spermanogonium A will divide to what

A

Spermanogonium a&b

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19
Q

Which cell divide to primary spermatocyt

A

Spermanogonium B

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20
Q

Primary spermatocyte morphology

A

Large, spherich, euchromatin with 46 chromosome

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21
Q

Spermanogenium B is oval

A

False, spherical

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22
Q

What’s the first cell to have 23 chromosome in spermatocylogensis

A

Secondary spermanocyles

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23
Q

When is the first miosis devotion

A

Secondary spermarocyte to spermanide

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24
Q

How does spermatid become sperms

A

Morphological changes

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25
Q

Define spermanocyrogensis

A

The whole process

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26
Q

Define spermatogensis

A

From in the spermatogonia until the spermatid stage, which have mitosis & miosis

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27
Q

Define spermiogensis

A

The temperature sensitive stage

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28
Q

Which stage of spermatocytogensis is temperature sensitive

A

Spermatids change into spermatozoa

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29
Q

What hormone helps spermatids change to spermatoza

A

Testosterone

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30
Q

Sertoli cells tissue

A

Tall columnar irregular epithelia)

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31
Q

sertoli cells inside structure

A

Ovoid or triangular euchromatic nuclear, prominent nucleolus, abundant ser some rer, developed Golgi complexes, numerous mitochondria, lysosomes

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32
Q

Sertoli cells function

A

Nourish thespermanogenic cells, divide the seminiferous tubules into two compartments& give metabolic & physical support to spermanogenic linage

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33
Q

Junctions between sertoli cells

A

Tight occluding & gap

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34
Q

Where are tight junctions found

A

BasOlateral membranes

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35
Q

What’s the tightest blood tissue barrier in mammals

A

Sertoli tight junction

36
Q

Gap junction function

A

help regulate the transient changes in the occluding junctions and synchronize activities in the spermatogenic cells.

37
Q

spermatocytes, spermatids, and developing sperm are connected to plasma proteins and nutrients

A

false, they’re isolated by the blood-testis barrier.

38
Q

What does sertoli cells secret

A

Androgen binding protein, inhibit B & mallerian inhibiting substances

39
Q

Androgen bindingprotein funaction

A

ConcentraTe testosterone to a level required for spermiogensis

40
Q

Inhibin B effect

A

Feed back to anterior pituitary gland & suppress fsh synthesis and release

41
Q

Mallerian inhibiting substances is found in

A

Male embryo

42
Q

Name the intrAtesticular ducts

A

The straight tubules, the rete testis & efferent ducbules

43
Q

Straight tubules lining

A

Simple cuboidal epithelium

44
Q

When does sertoli cells begin to disappear

A

Beginning of straight tubules

45
Q

Where is the rate testis found

A

Posteriorrly

46
Q

How many efferent ductless

A

20

47
Q

Efferent ductless lining

A

Non ciliated cubodial & taller columnar cilliated

48
Q

Scalloped appearance

A

Efferen-ductules

49
Q

How does the efferent ductless aid in sperm movement

A

1 -a thin layer of circular oriented smooth muscles
2- ciliary activity

50
Q

Name the excretory ducts

A

Epididymis, ductus deferent & urethra

51
Q

Epididymis tissue

A

Pseudostratified columnar epithelium

52
Q

Columnar principle cells

A

Epididymis

53
Q

Characterstic of epididymis

A

Long stereocilia cells, small round stem cells & basal cells

54
Q

Principle cells role in the epididymis

A

Remove water & residual bodies entering the epididymis& secrete various products

55
Q

Epididymal ducts musculature

A

Thin circular Sm but have inner & outer longitudinal layers
In the tail

56
Q

Ductus deferent lining

A

Pseudostratified columnar

57
Q

Ductus deferens muscular

A

Inner, outer longitudinal & middle circular

58
Q

Thin complex folds

A

Seminal vesicles

59
Q

Seminal vesicles lining

A

Simple columnar or pseudostratified columnar

60
Q

Seminal vesicles muscular

A

Outer longitudinal & inner circular

61
Q

Seminal vesicles contain ____ fibers

A

Elastic

62
Q

How many tubulacinar glands in the prostate

A

30-50

63
Q

Prostate glands lining

A

Simple to pseudostracified columnar

64
Q

Prostate fluid contain

A

Exosemes, glycoproteins, enzymes & small molecules

65
Q

Where does ducts from individual glands empty

A

Prostatic urethra

66
Q

Major zones of prostate

A

Peripheral, central & transition

67
Q

Peripheral zone of prostate gland

A

70% of the organ’s tissue, contains the prostate’s main glands with the longest ducts into the prostatic urethra.

68
Q

Central zone of prostate gland

A

25% of the gland’s tissue and contains the periurethral submucosal glands with somewhat shorter ducts.

69
Q

Transition zone of prostate gland

A

5% of the prostate volume, contains the periurethral mucosal glands, and like the central zone surrounds only the superior portion of the urethr

70
Q

What Hermons control prostate & seminal resides

A

Testosterone & androgen

71
Q

Corpora amylaCea contain

A

primarily deposited glycoproteins and keratan sulfate

72
Q

corpora amylacea _____ with age

A

Increase

73
Q

Seminal vesicles secretion include

A

Fructose, prostaglandin & fibrinogen

74
Q

What does elevated levels of circulating psa indicate

A

Abnormal glandular mucosa due to prostatic carcinoma

75
Q

Where does bulboureohral glands empty

A

Penile ureohra

76
Q

Bulbourethral glands lining

A

Simple columnar epithelium

77
Q

Bulbourethral gland is_____ dependent

A

Testosterone

78
Q

Bulbouretbra) funaction

A

During erection, the bulbourethral glands, as well as numerous, very small, and histologically similar urethral glands along the penile urethra, release a clear alkaline mucus-like secretion, which coats and lubricates the urethra in preparation for the imminent passage of sperm.

79
Q

Penis cylindrical masses

A

Two corpora cavernous (dorsal) & one corpora spongiosum (ventral)

80
Q

Penile urethra lining

A

Pseudostratified columnar epithelium, in the glans becomes stratified squamous

81
Q

Central arteries at corpora cavernous branch to

A

Nutritive arterioles & small coiling helicine arteries

82
Q

Hydrocele

A

An excessive accumulation of serous fluid in one or both sides of the scrotal sac, termed a hydrocele, is the most common cause of scrotal swelling and a condition easily corrected surgically.

83
Q

Cryptorchidism

A

The failure of one or both testes to descend from the abdomen, occurs in about 4% of male neonates

84
Q

Common features of poor semen

A

oligospermia (ejaculate volume >2 mL), sperm cell density less than 10-20 million/mL, abnormal sperm morphology, and flagellar defects that impair sperm motility.

85
Q

Acute epididymis caused by gonorrhea

A

massive invasion by leukocytes into the infected duct, stimulating fibrosis that obstructs the epididymis

86
Q

the most common cancer in nonsmoking men

A

Prostate gland,

anatomy (3 decks)

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