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Embryology > Development of Foregut > Flashcards

Development of Foregut Flashcards

(56 cards)

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1
Q

Gut tube epithelium is derived from

A

Endoderm of yolk sac

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2
Q

Contents of umbilical cord

A 
Allantois
Wharton's jelly
Left Umbilical vein 
Left and Right umbilical artery 
Vitellointestinal duct
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3
Q

Foregut extends upto

A

2nd part of duodenum - upto ampulla of vater

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4
Q

Foregut is supplied by which Artery

A

Celiac trunk

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5
Q

Foregut Sympathetic supply is by

A

Greater splanchnic nerve -T5 to T9

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6
Q

Midgut extends upto

A

from distal duodenum to 2/3rd of transverse colon

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7
Q

Midgut is supplied by which Artery

A

SMA - Superior mesenteric artery

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8
Q

Midgut Sympathetic supply is by

A

Lesser Splanchnic nerve - T10-T11

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9
Q

Foregut Parasympathetic supply is by

A

Vagus

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10
Q

Midgut Parasympathetic supply is by

A

Vagus

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11
Q

Hindgut - borders

A

1/3rd of transverse colon till anal canal

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12
Q

Hindgut Artery supply is

A

Inferior mesenteric Artery

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13
Q

Hindgut sympathetic supply is by

A

Least Splanchnic nerve - T12

Lumbar Splanchnic nerve - L1,L2

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14
Q

Hindgut Parasympathetic supply is by

A

Posterior Splanchnic nerve S2,3,4

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15
Q

Duodenum belongs to

A

Foregut and Midgut -

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16
Q

Duodenum is supplied by which artery

A

Celiac trunk and SMA

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17
Q

Dermatome Associated with Appendix

A

T10 - Midgut - Pain refers to Umbilicus - Level of L3-4

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18
Q

Only Splanchnic nerve to carry Parasympathetic supply

A

Posterior Splanchnic nerve - S2,3,4

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19
Q

Nervi Erigentes

A

Posterior Splanchnic nerve - S2,3,4

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20
Q

Foregut tube derivatives

A

Respiratory Diverticulum
Hepatic Bud
Ventral Pancreatic bud
Dorsal Pancreatic bud

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21
Q

Respiratory Diverticulum Derivatives

A

Proximal - Laryngotracheal Diverticulum

Distal - Bronchial and lung bud

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22
Q

Proximal Respiratory Diverticulum Derivatives

A

Laryngotracheal Diverticulum

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23
Q

Distal Respiratory Diverticulum Derivatives

Study These Flashcards
A

Bronchial and lung bud

24
Q

Trachea and Esophagus Separated by

Study These Flashcards
A

Tracheoesophageal Septum

25
Esophageal atresia is due to
Posterior deviation of Tracheoesophageal Septum
26
Esophageal atresia causes
Polyhydramnios
27
Stomach axis of 1st rotation
vertical axis
28
Stomach axis of 2nd rotation
AnteroPosterior axis
29
Anterior vagal trunk
Left vagus on left border - superficial border
30
Posterior vagal trunk
Right vagus on right border - deep plane
31
Derivatives of ventral mesogastrium
Lesser omentum - hepatogastric and hepatoduodenal | Falciform Ligament - Coronary and Triangular Ligament
32
Derivatives of greater mesogastrium
Greater omentum Gastrosplenic Ligament Lienorenal Ligament Gastrophrenic Ligament
33
muscularis externa hypertrophy in pyloric region causes
Pyloric stenosis
34
Palpable mass at Right costal margin in a newborn
Hypertrophic pyloric stenosis
35
Projectile nonbilious vomiting in a newborn
Hypertrophic pyloric stenosis
36
Spleen projects into
Greater sac
37
____ connects Greater and Lesser sac
Epiploic foramen
38
Epiploic foramen connects
Greater and Lesser sac
39
Lesser sac boundries
Above - Caudate lobe of liver Below - 1st part of Duodenum Anterior - free margin of lesser omentum Posterior - IVC
40
Hepatic bud - Derivatives
Liver parenchyma and Biliary system
41
Biliary system derived from
Hepatic bud
42
liver parenchyma derived from
Hepatic bud
43
Location of dorsal and ventral pancreatic bud after Duodenum looping
dorsal above and ventral below
44
Ventral bud of Pancreas forms
Head of pancreas and Uncinate process
45
Uncinate process is derived from
Ventral bud of pancreas
46
Main Pancreatic duct - derived from
Dorsal bud - distal part and ventral bud
47
Main Pancreatic duct opens into
Major Duodenal papilla
48
Accessory pancreatic duct - derived from
Proximal dorsal duct of pancreas - opens into Minor duodenal papilla
49
Accessory pancreatic duct opens into
Minor Duodenal papilla
50
Pancreatic Divisum
Non fusion of dorsal and ventral bud. Dorsal duct into Minor DP Ventral Duct into Major DP
51
Annular pancreas
Ring around duodenum | Double Bubble sign on X Ray - due to discontinuous duodenum
52
Non fusion of dorsal and ventral pancreatic bud causes
Pancreatic Divisum
53
Mesoduodenum -
Disappears.
54
Duodenum is ____peritoneal
Retro excpt Proximal Duodenum
55
Proximal Duodenum is ____ peritoneal
Intraperitoneal
56
Proximal Duodenum is covered by ____Ligament
Hepatoduodenal Ligament of lesser omentum

Embryology (16 decks)

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