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MINI 4 > Reproduction > Flashcards

Reproduction Flashcards

1
Q

What is the embryonic origin of the Gonads?

A

proliferation of the mesothelium and the condensation of the mesenchyme

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2
Q

What is the embryonic origin of the primordial germ cells?

A

Endoderm Origin

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3
Q

What induces the development of the Gonads and during what week?

A

Primordial germ cell migration to the genital ridge. Around week 6

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4
Q

Origin of the primitive sex cords is what?

A

invagination of epithelium into the mesenchyme

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5
Q

How does the paramesonephric (Mullerian )Duct form?

A

by the invagination of the coelemic epithelium

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6
Q

The Presence of SRY gene forms what?

A

gonads to Testes

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7
Q

The absence of SRY gene forms what?

A

Gonads to ovaries

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8
Q

what does the Primitive sex cord form?

A

Medullary cord

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9
Q

What 2 things does the medullary cord form?

A

1) rete Testes

2) seminifurous tubules

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10
Q

Where do spermatogonia originate from?

A

Primordial germ cells

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11
Q

Where do Leydig cells originate from?

A

Mesenchyme of the Genital Ridge

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12
Q

Where do Sertoli cells come from?

A

Mesothelium

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13
Q

What 3 things does the Mesonephric Duct form?

A

1) Vas defferens
2) Ductus Epidydimis
3) appendix epididymis`

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14
Q

What 2 things form from the EXCRETORY mesonephric duct?

A

1) paradydimis

2) Ductuli Defferens

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15
Q

Paramesonephric duct forms what two things?

A

1) prostatic utricle

2) Appendix testis

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16
Q

Where does the seminal colliculus come from?

A

Primitive urogenital sinus

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17
Q

In females where does the Ovarian Medulla originate from?

A

The degeneration of the medullary cords

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18
Q

In females during what week do the cortical cords form?

A

7th week

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19
Q

where do cortical cords form from?

A

mesothelium

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20
Q

In 4th month cortical cords splits and forms what?

A

cell clusters called follicles

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21
Q

In females what forms the oogenia

A

primordial germ cells

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22
Q

If the primordial germ cells dont reach the genital ridge by week __________ gonads will not form

A

5th week

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23
Q

What are the two types of ducts males and females both have?

A

Mesonephric Ducts and Paramesonephric Ducts

24
Q

In females what three things form from the Wolffian Ducts?

A

1) Epoophoron
2) Proophoron
3) Gartners Cyst

25
Q

In females what 3 things form from the paramesonephric duct?

A

1) Upper part of the vagina
2) uterus
3) oviducts (fallopian tubes)

26
Q

Where does the lower part of the vagina come from?

A

primitive urogenital sinus

27
Q

in females the primitive urogenital sinus forms 2 things one is the_______ _______

A

Sinovaginal bulb

28
Q

The homolog of the Oviducts in male is what?

A

Appendix testes

29
Q

Homolog of the uterus in males is what?

A

Prostatic Utricle

30
Q

Homolog of the Hymen in males is what?

A

Seminal Colliculus

31
Q

Hymen and Seminal Colliculus both are a remnant of what?

A

Sinus tubercle

32
Q

The homolog for the prostate gland in females is what?

A

urethral and Paraurethral Glands

33
Q

The homolog of the bulbourethral glands in females is what?

A

Greater Vestibular Glands

34
Q

The homolog of the Seminal Vesical in females is what?

35
Q

Spongy urethra forms what ?

A

Bulbourethral glands

36
Q

Prostatic Urethra forms what?

A

prostate gland

37
Q

Outgrowth of the mesonephric duct forms what?

A

Seminal vesicles

38
Q

Anti Mullarian hormone supresses what?

A

Paramesonephric ducts

39
Q

Testosterone stimulate the production of what?

A

mesonephric duct

40
Q

What is the defect uterus arcuatus?

A

the Fundus of the uterus goes down due to lack of fusion

41
Q

What is the defect uterus bicornis ?

A

1 uterus 2 horns MOST COMMON TYPE OF DEFECT

42
Q

What is Cervical Atresia?

A

when the cervix closes up due to BILATERAL mullarian atresia

43
Q

What is Vaginal atresia?

A

short vagina. Sinovaginal bulbs do not form

44
Q

Sinovaginal bulbs does what?

A

Elongation of the vagina forms the hymen

45
Q

WHat forms the shaft of the penis and the clitoris?

A

Genital tubercle

46
Q

what forms the scrotum and the labia majora?

A

Genital Fold

47
Q

What forms the spongy urethra and the labia minora?

A

urethral fold

48
Q

What forms the Penile urethra and the Vestibule ?

A

definitive urognital sinus

49
Q

What is hydrometrocolpos?

A

Imperforated hymen

50
Q

What is hypospadias?

A

Incomplete fusion of the urethral fold (holes in the shaft)

51
Q

Epispadias is associated with what?

A

exstrophy of the bladder, urethal opening is in the dorsal part of the penis

52
Q

What causes Micropenis?

A

insufficient androgen production

53
Q

Patient with double penis is caused by what?

A

the genital tubercle splits

54
Q

What is cryptorchidism?

A

Failure for testes to descend

55
Q

Derivatives of the gubernaculum in females is what?

A

Ovarian ligament and round ligament

MINI 4 (23 decks)

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