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Block2 > 14 Embryology > Flashcards

14 Embryology Flashcards

1
Q

lateral folding of mesoderm?

A

forms gut

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2
Q

cephalo-caudal folding

A

forms gut and embryonic body

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3
Q

sympathetic nerves

A

neural crest (ectoderm)

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4
Q

parasympathetic nerves

A

neural crest (ectoderm)

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5
Q

peritoneal cavity

A

intraembryonic coelomic cavity

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6
Q

pericardial cavity

A

intraembryonic coelomic cavity

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7
Q

pleural cavity

A

intraembryonic coelomic cavity

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8
Q

dorsal mesentery

A

splanchnic mesoderm

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9
Q

smooth muscle of GI tract

A

splanchnic mesoderm

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10
Q

parietal layer of peritoneum

A

somatic mesoderm

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11
Q

visceral layer of peritoneum

A

splanchnic mesoderm

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12
Q

central tendon of diaphragm

A

septum transversum (lateral plate mesoderm)

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13
Q

posterolateral diaphragm

A

pleuroperitoneal folds (lateral plate mesoderm)

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14
Q

crura of diaphragm

A

mesoesophagus (dorsal mesentery)

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15
Q

peripheral skeletal m. of diaphragm

A

thoracic level somatic mesoderm (myoblasts)

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16
Q

esophagus

A

foregut

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17
Q

stomach

A

foregut

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18
Q

greater omentum(Gastrocolic, gastrosplenic, and gastrophrenic ligaments)

A

dorsal mesentery

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19
Q

omental bursa (Lesser sac)

A

dorsal mesentery

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20
Q

lesser omentum(hepatogastric and hepatoduodenal ligaments)

A

ventral mesentery

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21
Q

falciform ligament

A

ventral mesentery

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22
Q

duodenum

A

foregut (1/2)(superior and descending) and midgut (1/2)(horizontal and ascending)

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23
Q

liver

A

hepatic diverticulum (foregut)

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24
Q

gallbladder

A

hepatic diverticulum (foregut)

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25
Q

pancreas

A

dorsal pancreatic bud (body, tail) and ventral pancreatic bud (head andUncinate process) (foregut)

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26
Q

jejunum

A

midgut

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27
Q

ileum

A

midgut

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28
Q

cecum

A

midgut

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29
Q

appendix

A

midgut

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30
Q

ascending colon

A

midgut

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31
Q

transverse colon

A

midgut (2/3)(Right and middle colic-SMA) and hindgut (1/3)(Left colic-IMA)

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32
Q

descending colon

A

hindgut

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33
Q

Meckel’s diverticulum (not normal)

A

vitelline duct

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34
Q

sigmoid colon

A

hindgut

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35
Q

rectum

A

hindgut

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36
Q

internal lining of bladder

A

hindgut

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37
Q

internal lining of urethra

A

hindgut

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38
Q

spleen

A

dorsal mesentery

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39
Q

lienorenal(splenorenal) ligament

A

dorsal mesentery

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40
Q

mesentery proper

A

dorsal mesentery

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41
Q

transverse mesocolon

A

dorsal mesentery

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42
Q

sigmoid mesocolon

A

dorsal mesentery

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43
Q

pronephros, mesonephros, metanephros

A

intermediate plate mesoderm

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44
Q

minor calyces of kidney

A

mesonephric duct

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45
Q

major calyces of kidney

A

mesonephric duct

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46
Q

renal pelvis

A

mesonephric duct

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47
Q

ureter

A

mesonephric duct

48
Q

nephrons

A

metanephros

49
Q

adrenal cortex

A

mesoderm

50
Q

adrenal medulla

A

ectoderm

51
Q

anal canal

A

hindgut (to pectinate line), ectoderm

52
Q

external oblique mm.

A

hypomere(mesoderm)

53
Q

internal oblique mm.

A

hypomere(mesoderm)

54
Q

transversus abdominis mm.

A

hypomere(mesoderm)

55
Q

rectus abdominis mm.

A

hypomere(mesoderm)

56
Q

trachea

A

respiratory diverticulum (foregut endoderm)

57
Q

tracheal cartilage

A

splanchnic mesoderm

58
Q

bronchi

A

respiratory diverticulum (foregut endoderm)

59
Q

bronchial cartilage

A

splanchnic mesoderm

60
Q

alveoli

A

respiratory diverticulum (foregut endoderm)

61
Q

alveolar ducts

A

respiratory diverticulum (foregut endoderm)

62
Q

heart tube

A

lateral plate mesoderm

63
Q

foramen ovale

A

terminated growth of septum secundum

64
Q

medial wall of left atrium

A

septum primum

65
Q

medial wall of right atrium

A

septum secundum

66
Q

atrioventricular (AV) valves (Tricuspid and Bicuspid)

A

endocardial cushions

67
Q

membranous part of interventricular septum

A

endocardial cushions

68
Q

aortic valve

A

endocardial cushions

69
Q

pulmonic valve

A

endocardial cushions

70
Q

ligamentum teres hepatis

A

umbilical vein

71
Q

ligamentum venosum

A

ductus venosus

72
Q

ligamentum arteriosum

A

ductus arteriosus

73
Q

fossa ovalis

A

foramen ovale, visible membrane is from septum primum

74
Q

Boundary of Fossa Ovalis

A

Septum secundum

75
Q

aortic arch

A

left aortic arch IV

76
Q

right subclavian artery

A

right aortic arch IV

77
Q

right pulmonary artery

A

right aortic arch VI

78
Q

left pulmonary artery

A

left aortic arch VI

79
Q

Ethmoid bone

A

Chondrochranium

80
Q

Central part of Sphenoid (Lesser wing)

A

Chondrochranium

81
Q

Petrosal (Otic) portion of Temporal

A

Chondrochranium

82
Q

Supraoccipital, Exoccipitals, and basioccipitals of Occipital

A

Chondrochranium

83
Q

Olfactory

A

Chondrochranium

84
Q

Frontals

A

Dermatocranium

85
Q

Parietals

A

Dermatocranium

86
Q

Pterygoid process of Sphenoids

A

Dermatocranium

87
Q

Squamous and Zygomatic parts of Temporals

A

Dermatocranium

88
Q

Postparietal/Interparietal portion of Occipital

A

Dermatocranium

89
Q

Greater wing of Sphenoid

A

Splanchnocranium

90
Q

Styloid process of Temporal

A

Splanchnocranium

91
Q

Malleus, Incus, and Stapes

A

Splanchnocranium

92
Q

Hyoid

A

Splanchnocranium

93
Q

Thyroid, Cricoid, and Asytenoid cartilages

A

Splanchnocranium

94
Q

Merckels cartilage

A

Splanchnocranium

95
Q

Nasals

A

Splanchnocranium

96
Q

Maxillas

A

Splanchnocranium

97
Q

Mandible/Dentaries

A

Splanchnocranium

98
Q

Lacrimals

A

Splanchnocranium

99
Q

Zygomatic/Jugals

A

Splanchnocranium

100
Q

Vomer

A

Splanchnocranium

101
Q

Palantines

A

Splanchnocranum

102
Q

Suprarenal gland (S)

A

Primarily Retroperitoneal

103
Q

Aorta/IVC (A)

A

Primarily Retroperitoneal

104
Q

Duodenum-2nd and 3rd part(Desending and Horizontal) (D)

A

Secondarily Retroperitoneal

105
Q

Pancreas-except tail (P)

A

Secondarily Retroperitoneal

106
Q

Ureters (U)

A

Primarily Retroperitoneal

107
Q

Colon- ascending and descending ( C)

A

Secondarily Retroperitoneal

108
Q

Kidneys (K)

A

Primarily Retroperitoneal

109
Q

Esophagus (E)

A

Primarily Retroperitoneal

110
Q

Rectum (R )

A

Primarily Retroperitoneal

111
Q

Foregut

A

Esophagus>1/2 dudoenum, Greater Splancnic Nerves T5,6-9, Celiac Trunk, Sympathetic celiac ganglia

112
Q

Midgut

A

1/2 duodenum>2/3 Transverse Colon, Greater and Lesser Splancninc T5,6-10, SMA, SM gang

113
Q

Hindgut

A

1/3 Transverse colon>Rectum, Lumbar splancnic L1234, IMA, IM gang

114
Q

Kidney

A

Kidney, Lesser/Least splanchnic T10-12, Renal artery, Aorticorenal gang

115
Q

Adrenal Gland

A

Adrenal gland, Greater Splancninc T5,6-9, Sup/Middle suprarenal a., Medulla only organ that receives pregang sympathetic fiber.

116
Q

Ligamentum Arteriosum

A

Ductus arteriosus

Block2 (9 decks)

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