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week 52 > Dr. May Histology > Flashcards

Dr. May Histology Flashcards

1
Q
A

Seminiferous tubules

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2
Q

seminiferous tubules?

A
  • Fxn:
    • provide duct for sperm leaving testis to epididymis
  • Lots of tubes
  • spermatocytes-inside tube
  • Spermatagonia
    • border of tube
  • Sertoli cells
  • Leydig/Interstitial cells
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3
Q

Sertoli Cells

A
  • Found in Seminiferous tubules
  • Support and noursih developing spermatozoa
  • make androgen binding protein (ABP) to hold testosterone nearby
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4
Q

Leydig Cells

A
  • Found in seminiferous tubules
    • b/w tubes
  • Bind to LH
  • secrete testosterone (male sex hormone)
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5
Q

Identify total structure

A

Seminiferous tubules

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6
Q

What is the middle arrow referring to?

A

Spermatogonia in Seminiferous tubule

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7
Q

What is the bottom arrow referring to?

A

Spermatocytes in seminiferous tubule

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8
Q

Identify structure in left field of view

A

sertoli cells

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9
Q

Identify structure in the center field of view?

A

Leydig cells in seminiferous tubules

(aka interstitium cells)

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10
Q

What is the arrow referring to?

A

Leydig cells of seminiferous tubule

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11
Q

Label 1-6

A
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12
Q

Efferent ductule: Histo

A
  • Scalloped!
    • Epididymis has stereocilia in lUmen!
  • Tall ciliated columnar or low cuboidal epithelium
    • Low cuboidal cells-absorb testicular fluid
    • Cilia-move sperm
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13
Q

Identify

A

Efferent Duct

  • scalloped
  • no stereocilia (epididymis)
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14
Q

Epididymis

A
  • 3 parts:
    • Head
    • Body
    • Tail
  • Pseudostratified columnar epithelium
  • STEREOCILIA
    • so not eferent duct
  • Circular smooth muscle
  • might have bullet shaped heads in lumen
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15
Q
A
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16
Q

Identify

A
  • Epididymis
    • not scalloped
    • bullets in lumen or stereocilia
    • pseudostratified colunar epithelium
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17
Q

Identify

A

Efferent Ductule

  • Scalloped
  • no stereocilia
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18
Q

Identify

A
  • Epididymis
    • stereocilia
    • no scalloped
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19
Q

Identify

A

Vas Deferens

thick layer of smooth muscle (3 layers)

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20
Q

Vas Deferens: Histo

A
  • Pseudostratified columnar epithelium + Thick SM layer
    • 3 layers
      • outer=longitduintal SM
      • middle=circular SM
      • inner=longitudinal SM
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21
Q
A
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22
Q

Identify

A

Prostatic Urethra

SMILEY FACE

23
Q

Prostatic Uretha

A

Smiley Face!

24
Q

Identify:

A

Prostatic urethra

(smiley face or corpora amylacea)

25
Identify
Penile Urethra - 2x corpus cavernosum - 1x corpus spongiosum
26
Seminal Vesicle: Fxn
* Primary producer of semen (60-70%) * alkaline viscous fluid * fructose rich * contains * citrate * prostaglandins * proteijns for coagulation of semen
27
Identify:
Seminal Vesicle
28
What is circled
Seminal Vesicle
29
What is circled?
Prostate gland
30
Identify?
Prostate gland
31
Identify?
Bulbourethral gland
32
Bulbourethral gland
* superior to perineal membrane * embedded in urethral sphincter * openbs into spongy urethra * mucus like secretions * lubricate urethra * protect semen
33
Prosstate Function
* Secondary Producer of Semen (30-35%) * alkaline seminal fluid * PSA * prostate specific antigen * anti-coagulant * Filter toxins * Control urine release and flow * DHT
34
Identify?
Broad Ligament
35
Identify?
Round ligament of the uterus
36
Identify
Primordial Follicle
37
Identify?
Unilaminar Primary Follicle
38
Identify?
Multilaminar Primary Follicle
39
Identify?
Secondary Follicle
40
Identify
Secondary Follicle
41
Identify?
Graafian Follicle
42
Identify?
Corpus Luteum
43
Identify?
Corpus Luteum
44
Identify?
Corpus Albicans
45
Uterine Tube
* 3 sections: * Ishmus * smallet lumen * Most SM * Ampulla * medium lumen * more SM layer * Infundibulum * largest lumen * lots of folds * 3 layers: * endometrium (inner) * myometrium * perimetrium (outer)
46
47
Identify?
* Proliferative phase of endometrium * 1st half of cycle * ovary=follicular phase
48
Identify?
* Secretory phase of endometrium * 2nd half of cycle * ovary=Luteal phase
49
Identify?
Cervix
50
Cervix
* Endocervix * simple columnar * Ectocervix * stratified squamous * covers vaginal surface * Transition: * inside cervical canal
51
Identify?
Vagina
52
Identify?
Seminal Vesicle
53
Identify?
Utereus: endometrius myometrius perimetrius

week 52 (9 decks)

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