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Block 2 Gross > Embryology Review > Flashcards

Embryology Review Flashcards

1
Q

Sympathetic nerves

A

neural crest (ectoderm)

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2
Q

Parasympathetic nerves

A

neural crest (ectoderm)

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3
Q

Paritoneal cavity

A

intraembryonic coelomic cavity

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4
Q

Pericardial cavial

A

intraembryonic coelomic cavity

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5
Q

Pleural cavity

A

intraembryonic coelomic cavity

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6
Q

Dorsal mesentery

A

Splanchnic mesoderm

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7
Q

Smooth muscle of GI tract

A

Splanchnic mesoderm

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8
Q

Parietal paritoneum

A

Somatic mesoderm

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9
Q

Visceral paritoneum

A

Splanchnic mesoderm

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10
Q

Central tendon of diaphragm

A

Septum transversum (lateral plate mesoderm)

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11
Q

Posteriorlateral portion of diaphragm

A

PLeuroparitoneal folds (lateral plate mesoderm)

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12
Q

Crura of the diaphragm

A

mesoesophagus (dorsal mesentery)

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13
Q

Peripheral skeletal muscles of diaphragm

A

mesenchymal cells

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14
Q

esophagus

A

forgut

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15
Q

stomach

A

forgut

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16
Q

Greater omentum

A

dorsal mesentery

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17
Q

gastrocolic ligament

A

dorsal mesentery

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18
Q

gastrosplenic ligament

A

dorsal mesentery

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19
Q

gastrophrenic ligament

A

dorsal mesentery

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20
Q

omental bursa (lesser sac)

A

intraembryonic coelomic cavity

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21
Q

Lesser omentum

A

ventral mesentery

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22
Q

Hepatoduodenal ligament

A

ventral mesentery

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23
Q

Hepatogastric ligament

A

ventral mesentery

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24
Q

Falciform ligament

A

ventral mesentery

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25
Q

Duodenum

A

superior and descending= forgut horizontal and ascending=midgut

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26
Q

liver

A

Hepatic divriticulum (forgut)

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27
Q

gallbladder

A

Hepatic divriticulum (forgut)

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28
Q

pancreas

A

dorsal (body and tail) and ventral pancreatic bud (head and uncinate process)

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29
Q

jejunum

A

midgut

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30
Q

cecum

A

midgut

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31
Q

ileum

A

midgut

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32
Q

appendix

A

midgut

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33
Q

ascending colon

A

midgut

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34
Q

transverse colon

A

proximal 2/3= midgut distal 1/3= hindgut

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35
Q

descending colon

A

hindgut

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36
Q

sigmoid colon

A

hindgut

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37
Q

rectum

A

hindgut

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38
Q

internal lining of the bladder

A

hindgut

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39
Q

internal lining of the urethra

A

hindgut

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40
Q

spleen

A

dorsal mesentery

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41
Q

splenorenal ligament

A

dorsal mesentery

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42
Q

mesentery proper

A

dorsal mesentery

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43
Q

transverse mesocolon

A

dorsal mesentery

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44
Q

sigmoid mesocolon

A

dorsal mesentery

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45
Q

pronephros

A

intermediate plate mesoderm

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46
Q

mesonephros

A

intermediate plate mesoderm

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47
Q

metanephros

A

intermediate plate mesoderm

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48
Q

minor calyces

A

mesonephric duct (ureteric bud)

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49
Q

major calyces

A

mesonephric duct (ureteric bud)

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50
Q

renal pelvis

A

mesonephric duct (ureteric bud)

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51
Q

ureter

A

mesonephric duct (ureteric bud)

52
Q

nephrons

A

metanephros

53
Q

adrenal cortex

A

mesoderm

54
Q

adrenal medulla

A

ectoderm

55
Q

anal canal

A

hindgut (to pectinate line) then ectoderm

56
Q

external oblique m

A

mesoderm

57
Q

internal oblique m

A

mesoderm

58
Q

transversus abdominus m

A

mesoderm

59
Q

rectus abdominus mm.

A

mesoderm

60
Q

trachea

A

respirtory divriticulum (forgut endoderm)

61
Q

tracheal cartilage

A

splanchnic mesoderm

62
Q

bronchi

A

respirtory divriticulum (forgut endoderm)

63
Q

bronchial cartilage

A

splanchnic mesoderm

64
Q

alveoli

A

respirtory divriticulum (forgut endoderm)

65
Q

alveolar ducts

A

respirtory divriticulum (forgut endoderm)

66
Q

heart tube

A

lateral plate mesoderm

67
Q

foramen ovale

A

terminated growth of septum secundum

68
Q

medial wall of left atrium

A

septum primum

69
Q

medial wall of right atrium

A

septum secundum

70
Q

Anterioventricular (AV) valves (Tricuspid and bicuspid)

A

endocardial cushions

71
Q

membranous part of inter ventricular septum

A

endocardial cushions

72
Q

aortic valve

A

endocardial cushions

73
Q

pulmonic valve

A

endocardial cushions

74
Q

Ligamentum teres hepatis

A

umbilical vein

75
Q

ligamentum venosum

A

ductus venosum

76
Q

ligamentum arteriosum

A

dustus arteriosus

77
Q

fossa ovalis

A

foramen ovale- visible membrane is from septum primum

78
Q

boundary of fossa ovalis

A

septum secundum

79
Q

aortic arch

A

Left aortic arch IV

80
Q

right subclavian a

A

right aortic arch IV

81
Q

right pulmonary a

A

right aortic arch VI

82
Q

left pulmonary a

A

left aortic arch VI

83
Q

Ethmoid bone

A

chondrocranium

84
Q

Lesser wing of sphenoid

A

chondrocranium

85
Q

Petrosal (otic) part of temporal

A

chondrocranium

86
Q

Supraoccipital, Exoccipitals, and basioccipitals of Occipital

A

chondrocranium

87
Q

Olfactory

A

chondrocranium

88
Q

Frontals

A

dermatocranium

89
Q

Parietals

A

dermatocranium

90
Q

Pterigoid process of sphenoid

A

dermatocranium

91
Q

Squamous and zygomatic parts of temporal

A

dermatocranium

92
Q

Postparietal/Interparietal portion of Occipital

A

dermatocranium

93
Q

greater wing of sphenoid

A

splanchnocranium

94
Q

styloid process of temportal

A

splanchnocranium

95
Q

Malleus, incus, and stapes

A

splanchnocranium

96
Q

hyoid

A

splanchnocranium

97
Q

thyroid

A

splanchnocranium

98
Q

Cricoid, and Asytenoid cartilages

A

splanchnocranium

99
Q

Merckels cartilage

A

splanchnocranium

100
Q

Nasals and superior, middle, and inferior chonchae

A

splanchnocranium

101
Q

Maxilla

A

splanchnocranium

102
Q

Mandible/dentaries

A

splanchnocranium

103
Q

Lacrimals

A

splanchnocranium

104
Q

zygomatic/jugals

A

splanchnocranium

105
Q

vomer

A

splanchnocranium

106
Q

palatines

A

splanchnocranium

107
Q

external auditory meatus

A

splanchnocranium

108
Q

pharynx

A

forgut

109
Q

lungs

A

forgut

110
Q

bronchi

A

forgut

111
Q

trachea

A

forgut

112
Q

What foldings create the gut in the embryo

A

lateral and cephalo-caudal folding

113
Q

Derivatives of the intraembryonic coelomic cavity

A

pericardial cavity, pleural cavity, and peritoneal cavity

114
Q

List all derivatives of the dorsal mesentary

A

gastrosplenic lig, gastrophrenic lig, splenorenal lig, gastrocolic lig, mesentery proper, transverse mesocolon, sigmoid mesocolon, mesoesophagus

115
Q

Derivatives of splanchnic mesoderm

A

dorsal mesentery, ventral mesentery, visceral peritoneum, smooth muscle of GI tract

116
Q

Derivatives of somatic mesoderm

A

parietal peritoneum, septum transversum, pleuroperitoneal folds

117
Q

Derivative of myoblasts

A

skeletal muscle of diaphragm

118
Q

What does the septum transversum form

A

central tendon

119
Q

original location of the septum transversum

A

C3,4,5 (phrenic n.)

120
Q

What does the mesoesophagus form?

A

crura of the diaphragm

121
Q

What are the forgut derivatives in the thorax

A

pharynx (from pharyngeal pouches), esophagus, and lung buds (includes: layrnx, trachea, bronchi, bronchioles, and terminal alveoli).

122
Q

Which forgut derivatives in the thorax also have muscle, CT. or cartilage that derived from splanchnic mesoderm?

A

trachea, bronchi, and lungs (includes alveoli)

123
Q

Thoracic structures only derived from splanchnic mesoderm

A

pulmonary vessels

124
Q

Which forgut derivatives in the thorax also have epithelial linings that derived from forgut endoderm?

A

layrnx, trachea, bronchi, bronchioles, and terminal alveoli

125
Q

What are the forgut derivatives in the abdomen

A

esophagus, stomach, liver, biliary system, pancras, superior and descending duodenum

Block 2 Gross (11 decks)

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