GI Tract- Dr. Morton's Video

Where do belches come from?

the gas that accumulates in the fundus

Gastric Rugae help with what?

expand the stomach when we eat

Pyloric Sphincter

prevent food from the duodenum going back into the stomach

* between pylorus and duodenum (separates stomach and small intestine)

Greater Omentum is made up of:

connective tissue, adipose tissue, and has numerous lymph nodes

Lymph nodes of the greater omentum do what?

encapsulate areas of infection/tumors

During abdominal surgery, it is advisable to do what?

look if the greater omentum and how it has migrated and whether it has surrounded the part of infection

First part of duodenum has what kind of wall?

* smooth wall

Ampulla of Vater is where?

* the pancreatic and bile ducts enter the 2nd part or descending part of the duodenum

SMA and SMV both course on top of:

third part of the duodenum also known as horizontal/transverse duodenum

Ligament of Treitz attaches where?

from the right crust of the diaphragm onto the fourth part of duodenum or ascending duodenum that becomes the jejunum

Peyer’s patches are:

an aggregation of lymphatic tissue that helps protect the body from infections and prevents self-infection as well

Parts of the Large Intestines are:

* Cecum
* Ascending Colon
* Transverse Colon
* Descending Colon
* Sigmoid Colon
* Rectum/Anus

Junction of cecum and appendix is located where?

* if an imaginary line is drawn from ASIS to the belly button straight

Left colic flexure is also known as what?

splenic flexure

Internal Anal Sphincter is what?

a smooth muscle that you don’t control, and it relaxes as feces compacts down the rectum

External Anal Sphincter is what?

a skeletal muscle, voluntary control; stops the feces from exiting the body to the toilet