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Embryology > Structures > Flashcards

Structures Flashcards

1
Q

Splanchnic mesoderm—>

A

Cardiovascular system

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2
Q

Sinus venosus—>

A

SA node

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3
Q

Vitelline veins—>

A

Hepatocardiac portion of IVC, hepatic sinusoids

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4
Q

Left sinus horn—>

A

Coronary sinus

Oblique Vein of Left Atrium

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5
Q

Anterior cardinal vein—>

A

Superior vena cave

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6
Q

Right venous valve (lower half)—>

A

Valve of IVC

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7
Q

Embryonic atrium —>

A

Pectinate muscle

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8
Q

Sinus venareum —>

A

Smooth part of atria

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9
Q

AV swelling—>

A

Valve cusp and chordae tendinae

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10
Q

Embryonic ventricle—>

A

Papillary muscle

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11
Q

Bulbous cordis—>

A

Atrioventricular septum

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12
Q

Vitelline arteries —>

A

Celiac trunk, superior and inferior mesenteric arteries

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13
Q

Lower portion of umbilical vein —>

A

Ligamentum teres (AKA round ligament)

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14
Q

Ductus venosus—>

A

Ligamentum venosum

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15
Q

Ductus arteriosus—>

A

Ligamentum arteriosum

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16
Q

Foramen ovale—>

A

Fossa ovalis

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17
Q

Aortic arch 1–>

A

Maxillary artery

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18
Q

Aortic arch 2->

A

Stapedial and hyoid artery

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19
Q

Aortic arch 3–>

A

Common carotid

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20
Q

Aortic arch 4 right —>

A

Right subclavian

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21
Q

Aortic arch 4 left —>

A

Aortic arch

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22
Q

Aortic arch 6 right—>

A

Right pulmonary

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23
Q

Aortic arch 6 left

A

Left pulmonary artery

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24
Q

Fossa ovalis from

A

Foramen ovale

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25
Q

Ligamentum venosum from

A

Ductus venosus

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26
Q

Ligamentum arteriosum

A

Ductus arteriosus

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27
Q

Ligamentum teres from

A

Umbilical vein

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28
Q

Valve cusp from

A

AV swellings

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29
Q

Chordae tendinae from

A

AV swellings

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30
Q

Inferior vena cava from

A

Subcardinal vein
Sacrocardinal vein
Vitelline vein

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31
Q

Portal vein from

A

Vitelline vein

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32
Q

Hepatic sinusoids from

A

Vitelline vein

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33
Q

Hepatic vein from

A

Vitelline vein

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34
Q

Hepatocardiac portion of IVC from

A

Vitelline vein

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35
Q

Medial umbilical ligament from

A

Umbilical artery

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36
Q

Celiac trunk from

A

Vitelline artery

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37
Q

Superior and inferior mesenteric artery from

A

Vitelline arteries

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38
Q

Interventricular septum from

A

Bulbous cordis

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39
Q

Papillary muscle from

A

Embryonic ventricle

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40
Q

Smooth muscle wall of atria from

A

Sinus venareum

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41
Q

Pectinate muscle from

A

Embryonic atrium

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42
Q

Valve of IVC from

A

AV swellings

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43
Q

Valve of coronary sinus from

A

AV swellings

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44
Q

SA node from

A

Sinus venosus

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45
Q

Cardiovascular system from

A

Splanchnic mesoderm

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46
Q

Superior vena cava from

A

Anterior cardinal

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47
Q

Coronary sinus from

A

Left sinus horn

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48
Q

Maxillary artery from

A

Aortic arch 1

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49
Q

Stapedial and hyoid artery from

A

Aortic arch 2

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50
Q

Common carotid from

A

Aortic arch 3

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51
Q

Right subclavian from

A

Aortic arch 4 right

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52
Q

Aortic arch from

A

Aortic arch 4 left

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53
Q

Left pulmonary artery from

A

Aortic arch 6 left

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54
Q

Right pulmonary from

A

Aortic arch 6 Right

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55
Q

Proximal portion of the left umbilical vein

A

No adult derivative

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56
Q

Upper half of right venous valve

A

No adult derivative

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57
Q

Right umbilical vein

A

No adult derivative

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58
Q

Left cardinal vein

A

No adult derivative

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59
Q

Pharyngeal pouch 1 —>

A

Auditory tube

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60
Q

Pharyngeal pouch 2 —>

A

Palatine tonsil

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61
Q

Pharyngeal pouch 3 —>

A

Thymus and inferior parathyroid

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62
Q

Pharyngeal pouch 4 —>

A

Superior parathyroid

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63
Q

Pharyngeal pouch 5 —>

A

Ultimobrachial body

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64
Q

Ultimobrachial body —>

A

C-cells in thyroid

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65
Q

Pharyngeal cleft 1 —>

A

External acoustic meatus

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66
Q

Pharyngeal cleft 2,3,4 —>

A

Closed by epicardium ridge

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67
Q

Pharyngeal arches —>

A

Pharynx

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68
Q

Foregut —>

A 
Esophagus
Stomach
Duodenum
Liver
Pancreas
Respiratory system
69
Q

Midgut (cephalic portion) —>

A

Duodenum
Jejunum
Ileum

70
Q

Midgut (caudal portion) —>

A

Ileum
cecum
ascending colon
2/3 of transverse colon

71
Q

Hindgut —>

A 
Distal 1/3 of transverse colon
Descending colon
Sigmoid colon
Rectum
Upper anal canal
72
Q

Anal canal (caudal part) is derived from

A

Ectoderm

73
Q

Anal canal (cranial part) is derived from

A

Endoderm

74
Q

Anterior 2/3 of tongue is derived from

A

First pharyngeal arch
Tuberculin impar
Lateral lingual swellings

75
Q

Posterior 1/3 of the tongue is derived from

A

2,3, & 4th pharyngeal arch
Primary tissue coming from 3rd
Copula

76
Q

Root of the tongue is derived from

A

4th pharyngeal arches

77
Q

Thyroid gland develops from

A

Floor of pharynx at the floor of the tubercular impar and the copula called the
Foramen cecum

78
Q

Superior parathyroid is derived from

A

Pouch 5

79
Q

Inferior parathyroid is derived from

A

Pouch 3

80
Q

Frontonasal prominence —>

A

Bridge of the nose
Forehead
Medial and lateral nasal processes

81
Q

Merged medial nasal prominences —>

A

Crest and tip of the nose

Philtrum of the lip

82
Q

Lateral nasal prominence —>

A

Alae of the nose

83
Q

Maxillary process —>

A

Cheeks

Lateral portion of the upper lip

84
Q

Mandibular process —>

A

Lower lip

85
Q

Intermaxillary segment —>

A

Philtrum of lip from labial part
Upper Jaw
4 front teeth

86
Q

Palatial component —>

A

Primary palate

87
Q

Palatine shelves —>

A

Secondary palate

88
Q

Point of fusion of the intermaxillary segment and two shelves —>

A

Incisive foramen

89
Q

Innervation of anterior 2/3 of tongue

A

Cranial nerve 5 and 7

90
Q

Innervation of posterior 1/3 of tongue

A

Cranial nerve 9

91
Q

Innervation of root of tongue

A

Cranial nerve 10

92
Q

Blood supply of anal canal (caudal)

A

Inferior rectal arteries

93
Q

Blood supply of anal canal (cranial)

A

Superior rectal arteries

94
Q

Blood supply for pharyngeal arches

A

Aortic arches

95
Q

Blood supply of foregut

A

Celiac artery

96
Q

Blood supply of midgut

A

Superior mesenteric artery

97
Q

Blood supply of hindgut

A

Inferior mesenteric artery

98
Q

Innervation of pharyngeal arch 1

A

CN 5

99
Q

Innervation of pharyngeal arch 2

A

CN 7

100
Q

Innervation of pharyngeal arch 3

A

CN 9

101
Q

Innervation of pharyngeal arch 4,6

A

CN 10

102
Q

Muscles related to pharyngeal arch 1

A

Muscles of mastication

103
Q

Muscles related to pharyngeal arch 2

A

Muscles of facial expression

104
Q

Muscles related to pharyngeal arch 3

A

Stylopharyngeus

105
Q

Muscles related to pharyngeal arch 4&6

A

Laryngeal muscles

Pharyngeal constrictors

106
Q

Skeletal aspects of pharyngeal arch 1

A 
Maxilla
Zygomatic bone
Part of temporal bone
Mandible
Malleus
Incus
107
Q

Skeletal aspects of pharyngeal arch 2

A

Stapes
Styloid process
Part of hyoid bone

108
Q

Skeletal aspects of pharyngeal arch 3

A

Part of hyoid bone

109
Q

Skeletal aspects of pharyngeal arch 4&6

A

Laryngeal cartilages

110
Q

Urorectal septum is derived from what?

A

Mesoderm

111
Q

The anal canal is derived from what?

A

Distal end of GI tract

112
Q

Pharyngeal clefts are essentially derived from

A

Ectoderm

113
Q

Pharyngeal arches essentially derived from

A

Mesoderm

114
Q

Pharyngeal pouches are essentially derived from

A

Endoderm

115
Q

Thyroglossal duct is essentially derived from

A

Mesoderm

116
Q

Foreman cecum—>

A

Thyroglossal duct

117
Q

Thyroglossal duct —>

A

Lateral portions of thyroid gland

118
Q

Buccopharyngeal membrane —>

A

Stomodeum

119
Q

Stomodeum —>

A

Mouth

120
Q

Pharyngeal arch 1 —>

A

Maxillary and mandibular prominences

121
Q

Intermaxillary segment forms from

A

Medial nasal prominence

122
Q

Hard palate forms from

A

Maxillary bone and medial nasal swellings

123
Q

2 upper and next 2 lateral incisors develop from

A

Intermaxillary segment

124
Q

Teeth other than front 4 are from

A

Palatine shelf

125
Q

Dorsal pancreas —>

A

Head, neck, body, and tail

126
Q

Ventral pancreas —>

A

Uncinate

127
Q

Umbilical artery —>

A

Medial umbilical ligaments

128
Q

Umbilical vein —>

A

Ligamentum teres hepatic

129
Q

Ductus venosis —>

A

Ligamentum venosum

130
Q

Ductus arteriosus —>

A

Ligamentum

131
Q

Right sinus horn —>

A

Sinus venareum

132
Q

Right and Left venous valves —>

A

Septum spurium

133
Q

Inferior part of right venous valve —>

A

Valve of IVC, valve of coronary sinus

134
Q

Septum primum—>

A

Valve of foramen ovale

135
Q

Sinus venosus —>

A

Sinus venareum

136
Q

Pulmonary vein—>

A

Smoothed-wall portion of left atrium

137
Q

Atrioventricular swelling —>

A

Valve cusp

Cordae tendinae

138
Q

Anterolateral portion of aorticopulmonary septum —>

A

Outflow channel of right atrium

139
Q

Posteromedial portion of aorticopulmonary septum —>

A

Outflow channel of Left ventricle

140
Q

Aortic sac —>

A

Aortic arches

Right and left horn

141
Q

Right horn of aortic sac—>

A

Brachiocephalic trunk

142
Q

Left horn of aortic sac—>

A

Proximal aortic arch

143
Q

Dorsal aorta—>

A

Internal carotid artery

144
Q

Superior mesenteric vein from

A

Right vitelline vein

145
Q

Distal left vitelline vein

A

Disappears

146
Q

Ventral pancreatic bud —>

A

Uncinate process

Main pancreatic duct

147
Q

Dorsal pancreatic bud—>

A

Body and tail of pancreas
Main pancreatic duct
Accessory pancreatic duct

148
Q

Urorectal septum—>

A

Perineum

149
Q

Cloaca—>

A

Urogenital membrane

Anal membrane

150
Q

Caudal part of anal canal is essentially from

A

Ectoderm

151
Q

Caudal 1/3 of anal canal is supplied by

A

Inferior rectal arteries

152
Q

Cranial part of anal canal is essentially from

A

Endoderm

153
Q

Cranial part of anal canal is supplied by

A

Superior rectal arteries

154
Q

What separates the upper and lower portion of the anal canal?

A

Pectinate line

155
Q

Copula is from

A

2,3, and 4th pharyngeal arches

156
Q

Root of tongue is from

A

4th arch

157
Q

Parathyroid glands are from

A

Pharyngeal pouches

158
Q

Superior parathyroid glands from

A

Pouch 4

159
Q

Inferior parathyroid glands are form

A

Pouch 3

160
Q

Nasal placodes —>

A

Nasal pits

161
Q

Nasal placodes (after nasal pits)—>

A

Lateral and medial nasal prominences

162
Q

Nasolacrimal groove—>

A

Nasolacrimal duct

163
Q

Secondary palate from

A

Palatine shelves of maxillary bone

164
Q

Palatine shelves + intermaxillary segment is marked by

A

Incisive foramen

165
Q

Vitelline artery—>

A

Celiac artery

Inferior and superior mesenteric arteries

166
Q

Peritoneum is from

A

Ventral mesogastrium

167
Q

Ventral mesogastrium is attached to what

A

Lesser curvature of the stomach

168
Q

What supplies blood to liver

A

Portal vein

169
Q

The oral cavity forms with the

A

Pharynx

Embryology (2 decks)

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