RSL - Repro - Embryology Flashcards Preview

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Flashcards in RSL - Repro - Embryology Deck (62)
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31

Embyologic origins: Testes/ovaries

Mesoderm

32

Embyologic origins: Dermis

Mesoderm

33

Embyologic origins: Vagina

Mesoderm

34

Embyologic origins: cardiovascular structures

Mesoderm

35

Embyologic origins: kidneys

Mesoderm

36

Embyologic origins: Adrenal cortex

Mesoderm

37

Embyologic origins: Bone

Mesoderm

38

Embyologic origins: Odontoblasts

Neural crest

39

Embyologic origins: Astrocytes

Neuroectoderm

40

Embyologic origins: Ependymal cells

Neuroectoderm

41

Embyologic origins: Gut tube

Endoderm

42

Embyologic origins: most of urethra

Endoderm

43

Embyologic origins: Luminal epithelial derivatives

Endoderm

44

Embyologic origins: Liver

Endoderm

45

Embyologic origins: Pancreas

Endoderm

46

Embyologic origins: Lungs

Endoderm

47

Embyologic origins: Eustatian tube

Endoderm

48

Embyologic origins: thymus

Endoderm

49

Embyologic origins: Parathyroid

Endoderm

50

Embyologic origins: Thyroid follicular cells

Endoderm

51

Embryologic origins: ANS

Neural crest

52

Errors in morphogenesis: Disruption

secondary breakdown of previously normal tissue (amniotic band)

53

Errors in morphogenesis: Deformation

Extrinsic disruption; occurs after embryonic period

54

Errors in morphogenesis: Malformation

Intrinsic disruption; Occurs during embryonic period (3-8weeks)

55

Monozygotic twinings days: Dichorionic Diamnionic

0-4 days (25%) (2 cell stage)

56

Monozygotic twinings days: monochorionic Diamnionic

4-8 days (75%) (Morula)

57

Monozygotic twinings days: Monochorionic Monoamniotic

8-12 days (

58

Monozygotic twinings days: monochorionic monoamniotic conjoined twins

>13 days (formed embryonic disk

59

Allantois --> (embryonic derivation)

Umbilical arteries and Vein

60

Allantois --> (adult)

Urachus