Colon Flashcards
Arterial Supply of the Colon’s Coecum
Coecal (ant+post) from ileocolic.
Venous drainage of the Colon’s Coecum
Coecal.
Nerve innervation of the Colon’s Coecum
Lesser splanchnic (s), vagus (PS).
Arterial Supply of the Ascending Colon
Colic branch and coecal (ileocolic, sup mesenteric). R colic (sup mesenteric).
Venous drainage of the Ascending Colon
Branches of sup mesenteric.
Nerve innervation of the Ascending Colon
Lesser splanchnic (s), vagus (PS).
Lymphatic drainage of the Ascending Colon
Para-aortic lymph nodes (cisterna chyli).
Arterial Supply of the Transverse Colon
Proximal 2/3: R colic, middle colic (sup mesenteric). Distal 1/3 L colic (inf mesenteric.
Venous drainage of the Transverse Colon
Branches of sup mesenteric and inf mesenteric.
Nerve innervation of the Transverse Colon
Lesser/least splanchnic (s), vagus (PS).
Lymphatic drainage of the Transverse Colon
Para-aortic lymph nodes (cisterna chyli).
Arterial Supply of the Descending Colon
L colic (inf mesenteric).
Venous drainage of the Descending Colon
Branches of inf mesenteric.
Nerve innervation of the Descending Colon
Least splanchnic (s), vagus (PS).
Lymphatic drainage of the Descending Colon
Para-aortic lymph nodes (cisterna chyli).
Arterial Supply of the Sigmoid Colon
Sigmoidal (inf mesenteric).
Venous drainage of the Sigmoid Colon
Branches of inf mesenteric.
Nerve innervation of the Sigmoid Colon
Least splanchnic (s), vagus (PS) and sacral.
Lymphatic drainage of the Sigmoid Colon
Para-aortic lymph nodes (cisterna chyli).
Arterial Supply of the Rectum
Superior rectal (inf mesenteric), middle rectal (internal iliac) and inferior rectal (internal pudendal)
Venous drainage of the Rectum
Superior and middle rectal.
Nerve innervation of the Rectum
Least splanchnic (s), vagus (PS) and inferior anal.
Lymphatic drainage of the Rectum
Proximal 2/3: Para-aortic lymph nodes (cisterna chyli). Remainder: internal iliac/superficial inguinal lymph nodes.
