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Printable Handouts
Navigable Slide Index
- Introduction
- Abdominal viscera
- The peritoneum
- Retroperitoneal organs
- The mesentery and omentum
- The lesser omentum
- The greater omentum
- Mesentery
- Omental structures
- Abdominal viscera
- The abdominal esophagus
- The vagal trunks
- The stomach
- Vasculature supplying the stomach
- The duodenum
- Vasculature of the duodenum
- Jejunum and ileum
- Jejunal vasculature
- Ileal vasculature
- The ileum to the cecum
- The large intestine
- Colic flexures
- The end of the large intestine
- Abdominal vasculature
- Overview: Abdominal vasculature
- Stomach vasculature
- The celiac trunk and the superior mesenteric artery
- Superior mesenteric artery
- Inferior mesenteric artery
- Venous drainage
- Drainage into the inferior vena cava
- Areas at risk of clinical problems
- Disclosures
Topics Covered
- The abdominal viscera
- Peritoneum
- The mesentery and omentum
- Stomach vasculature
- The duodenum and its vasculature
- The jejunum and ileum
- The large intestine
- Abdominal vasculature
- The celiac trunk and the superior mesenteric artery
- Inferior mesenteric artery
- Venous drainage
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Talk Citation
Drake, R.L. (2021, April 28). The gastrointestinal (GI) tract [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved November 21, 2024, from https://doi.org/10.69645/YNCV5494.Export Citation (RIS)
Publication History
Financial Disclosures
- Richard L. Drake is a textbook author for Churchill Livingstone (Elsevier).
Other Talks in the Series: Introduction to Gross Anatomy for Medicine
Transcript
Please wait while the transcript is being prepared...
0:00
My name is Richard Drake,
and I'm Director of Anatomy and Professor of Surgery at the Cleveland Clinic,
Lerner College of Medicine at Case Western Reserve University.
Today I'm going to talk to you about regional anatomy,
and my specific topic is: The Abdomen 3 - GI Tract.
0:19
I'm going to begin with talking in general terms about the abdominal viscera,
and give a few examples and define the peritoneum, the omenta,
and the mesenteries, just so everyone is clear on the descriptions of these structures.
Peritoneum is a membrane that lines the abdominal cavity,
and then reflects out onto the organs.
Mesenteries are two-layered structures
(that are usually carrying blood vessels) that suspend the organs,
and the omenta are types of mesentery.
The next slide shows you some pictures.
0:55
In this slide, we have some very basic examples of what the peritoneum is.
As you can see, the parietal peritoneum is what is
lining the abdominal wall, on the inside of the cavity.
The visceral peritoneum is what is specifically lining the organs.
Here you can see that one of the organs is suspended by a mesentery,
which is a two-layered structure usually containing blood vessels.
1:21
The next slide gives you an example of what happens
when an organ becomes retroperitoneal
(meaning it's back up against the posterior abdominal wall), and
the parietal peritoneum moves off it, over the organ, and then back to the floor again.
This is an appearance of an organ that is retroperitoneal.
We still have visceral peritoneum around the organ,
and parietal peritoneum lining the wall.
Looking at the next slide,