Embryological Origins Flashcards by amelia k

Q

Embryological origin of the liver

A

Hepatic diverticulum (from ventral mesentery)

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Q

Embryological origin of the common bile duct

A

Hepatic diverticulum (from ventral mesentery)

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Q

Embryological origin of the gallbladder

A

Cystic diverticulum

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Q

Embryological origin of the cystic duct

A

Cystic diverticulum

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Q

Pancreas (tail)

A

Dorsal pancreatic bud

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Q

Pancreas (body)

A

Dorsal pancreatic bud

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Q

Pancreas (upper head)

A

Dorsal pancreatic bud

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Q

Pancreas (lower head)

A

Ventral pancreatic bud

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Q

Pancreas (uncinate process)

A

Ventral pancreatic bud

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Q

Greater omentum

A

Dorsal mesentery

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Q

Lesser omentum

A

Ventral mesentery

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Q

Falciform ligament (of liver)

A

Ventral mesentery

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Q

Bladder (excluding trigone)

A

Urogenital sinus

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Q

Urethra

A

Urogenital sinus

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Q

Rectum

A

Anorectal canal

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Q

Anal canal

A

Anorectal canal

Q

Bladder (trigone)

A

Mesonephric duct

Q

Urachus (median umbilical ligament)

A

Allantois

Q

Distal 1/3 of anal canal

A

Anal pit (ectoderm)

Q

Ureter

A

Ureteric bud (stalk)

Q

Renal pelvis

A

Ureteric bud (tip/ampulla)

Q

Major renal calyces

A

Ureteric bud (tip/ampulla)

Q

Minor renal calyces

A

Ureteric bud (tip/ampulla)

Q

Suprarenal (adrenal) glands (cortex)

A

Mesodermal mesenchyme

Q

Suprarenal (adrenal) glands (medulla)

A

Neural crest cells (ectoderm)