> For the complete documentation index, see [llms.txt](https://thisispiggy.gitbook.io/my-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://thisispiggy.gitbook.io/my-wiki/01-step-1/gi/02-gi-anatomy.md).

# 02 GI Anatomy

![](https://f001.backblazeb2.com/file/wikiFiles/B5E0FC58-9472-4012-A754-EF1209C674BD.jpg)

![](https://f001.backblazeb2.com/file/wikiFiles/E99F2465-BA08-47CA-99B9-4956B9F8279F.jpg)

* left: anterior
* right: posterior

left:

* liver: fairly high up, in axial
* grey into liver: portal vein
* bottom: bladder
* white material: oral contrast in colon
* pancreas: in middle
* left of liver: stomach with air inside

right:

* liver: smaller
* spleen: solid, no air
* bottom: air, distal colon, rectum
* next to bone: psoas and iliacus muscles

![](https://f001.backblazeb2.com/file/wikiFiles/931379C7-73D2-4BD2-9311-8344F6ACCB38.jpg)

* next to liver: stomach with air
* aorta and IVC to the right

![](https://f001.backblazeb2.com/file/wikiFiles/19EF34BF-FB62-4D1D-8E51-22597AD0AF87.jpg)

* lower
* portal vein diving into liver
* stomach with air
* intestines next to stomach

![](https://f001.backblazeb2.com/file/wikiFiles/93CB8586-5A12-4F32-BC04-61FA5E27CF9A.jpg)

* lower in abd
* liver with gallbladder (darker)
* anterior: intestine and colon with contrast/air 

![](https://f001.backblazeb2.com/file/wikiFiles/0ADADCC2-13BD-41DC-8F88-79D81D23CCCF.jpg)

![](https://f001.backblazeb2.com/file/wikiFiles/510AFD0B-445E-491D-8FE1-26C3BB83AF12.jpg)

* spleen intraperitoneal

![](https://f001.backblazeb2.com/file/wikiFiles/CD607FCA-8006-4A1B-8FE2-0A8112B3591C.jpg)

![](https://f001.backblazeb2.com/file/wikiFiles/DFCC7CDB-8508-4ECF-A8E5-3697A220B135.jpg)

* grey: hematoma 

![](https://f001.backblazeb2.com/file/wikiFiles/94559E68-5653-42AE-ADA9-4417AAFDDA77.jpg)

![](https://f001.backblazeb2.com/file/wikiFiles/8D2CF3C3-253D-4C5A-83F2-2DA5A4271346.jpg)

* epiploic foramen: hole that you can put finger through 

![](https://f001.backblazeb2.com/file/wikiFiles/65C6253C-97A1-446C-BC8E-FF07DBECAB4B.jpg)

![](https://f001.backblazeb2.com/file/wikiFiles/F628A449-0A88-4B63-812B-B510E87132A9.jpg)

![](https://f001.backblazeb2.com/file/wikiFiles/3473B820-CA0B-44A0-B2C3-E7BFC88F6395.jpg)

* no hemorrhoids with portal htn
* lymph nodes in groin palpable if inflammation

![](https://f001.backblazeb2.com/file/wikiFiles/A1B3F2C5-AA3E-47BF-A6AE-E5FDC57E599C.jpg)