QuestionSBA
QuestionChoice
The jejuneum becomes the ileum at no clear anatomical point however the jejuneum is much larger with longer vasa recta and less complicated vasculature so the change can be seen macroscopically. The ileum ends at the ileocaecal junction where it becomes the caecum.
10009369
e
Ileum
QuestionChoice
The descending part is the second part of the duodenum and from here the the duodenum becomes retroperitoneal. The third and fourth parts are the inferior and ascending parts of the duodenum, respectively. Together, the four parts create a c shape around the pancreas.
10009366
b
Descending part of the duodenum
QuestionChoice
This is also known as the first part of the duodenum and is intraperitoneal. It is found in close proximity to the head of the pancreas. It is also connected to the liver by the hepatoduodenal ligament.
10009365
a
Superior part of the duodenum
QuestionChoice
This marks the point at which the ascending part of the duodenum becomes the jejuneum. Here the duodenum is held by the suspensory ligament of treitz which marks the change between the upper and lower gastrointestinal tract.
10009367
c
Duodenojejunal flexure
QuestionChoice
This is found between the duodenum and ileum and is intraperitoneal unlike the duodenum.
10009368
d
Jejuneum
Concept
Chapter
2693
5338
Duodeum
Topic
197
Abdominal anatomy
14421
Picture
1780
121 - Duodenum (first part).png
images/x4886olp1682953244687.jpg
images/x4886olp1682953244687_256.jpg
images/x4886olp1682953244687_512.jpg
2jgKDALYCZaXl4uId5e2kJ12+g==
Topic
197
Abdominal anatomy
Identify the structure labelled by the arrow in the image below.

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a