Embryology Of The Gut Flashcards
Where does the foregut start from and to?
Starts from mouth to the major duodenal papilla (proximal half)
Where does the blood supply of the foregut come from?
Celiac artery
What nerves innervate the foregut?
T5 - T9
Greater splanchnic nerves
What mesenteries does the foregut have?
ventral and dorsal mesenteries
d=greater & v=lesser amenta
Where does the midgut start from & to?
From distal half of duodenum to proximal 2/3 transverse colon
What is the midgut supplied by?
Superior mesenteric artery
What nerves innervate the midgut?
T10 & T11
Lesser splanchnic nerves
What mesenteries does the midgut have?
dorsal mesentery only
Where does the hindgut start from & to?
From 2/3 transverse colon to the anal canal
What is the blood supply to the hindgut?
Inferior mesenteric artery
What is the hindgut innervated by?
T12
Least splanchnic nerve
What mesenteries does the hindgut have?
only dorsal mesentery
What are the components of the foregut?
Mouth, Pharynx, oesophagus, stomach, proximal half of duodenum & the derivative (liver, biliary apparatus & pancreas)
What are the components of the midgut?
Distal half of the duodenum Jejunum Ileum Caecum Appendix Ascending colon Right 2/3 transverse colon
What are the components of the hindgut 7
Left 1/3 transverse colon Decendjng colon Sigmoid colon Rectum Anal canal