HOSA digestive part 2

Another name for small intestine

small bowel

how long is the small intestine?

20 ft long

The small intestine extends from the….

pyloric sphincter to the first part of the large intestine

Which part of digestion takes place in the small intestine?

Absorption of nutrients

What are the walls of the small intestine lined with?

villi

function of villi

absorb nutrients

How many parts does the small intestine have

3

Duodenum

the first portion of the small intestine. extends from the pylorus of the stomach to the jejunum. 10-12 inches long. Bile from the gallbladder, liver, and pancreatic juices from the pancreas enter small intestine here

Jejunum

middle portion of the small intestine extends from the duodenum to the ileum. 8 feet long. secretes large amounts of digestive enzymes

ileum

last and lonest portion of SI. extends from the jejunum to the cecum of the LI. Function is to absorb vitamin b12 and bile and whatever products of digestionn that weren’t absorbed by the jejunum

ileocecal sphincter

ring-like muscle that controls the flow from the ileum of the small intestine into the cecum of the large intestine

The large intestine extends from the end of the _________ to the ______

ileocecal sphincter (to the) anus

Function of the Large intestine

absorb water, store indigestible materials before they are eliminated from the body, absorb some B-complex vitamins and vitamin K by the bacteria present in it, transport waste products out of the alimentary canal

Where is the cecum located?

Right Lower Quadrant

what does the appendix hang off of?

cecum

How many parts does the Large intestine have?

4

What is the cecum?

A pouch that forms the first part of the large intestine.

function of the vermiform appendix

storehouse of good bacteria

Appendicitis

inflammation of the appendix

appendectomy

surgical removal of the appendix

The colon is the largest part of the LI. It consists of _____ parts

4

Ascending colon

travels upward from the cecum to the undersurface of the liver. means upward

Transverse colon

passes horizontally across the abdominal cavity from right to left toward the spleen. means across

descending colon

travels down the left side of the abdominal cavity to the sigmoid colon. means downward

Sigmoid colon

A S-shaped structure that continues from the descending colon above and joints the rectum below. means curved

Name each part of the LI

cecum, ascending colon, transverse colon, descending colon, sigmoid colon

Describe the Rectum

The widest division of the Large Intestine

function of the rectum

collect and hold your poop until it's time to release it. makes up the last 4 inches of the LI and ends at the anus

Where is the anus located?

the lower opening of the digestive tract

what is the function of the anal sphincter muscles?

to control the flow of waste through the anus. controlled by the internal anal sphincter and the external anal sphincter

anorectal

refers to the anus and rectum as a single unit

Feces also known as

stool

defecation also known as a

bowel movement

borborygmus

the term for the rumbling noise produced by the movement of gas through the intestines. It is commonly known as stomach growling.

antiacids

neutralize acids in the stomach, taken to relieve the discomfort of condition such as pyrosis

emetic

pertaining to vomit

antiemetic

a medication that is administered to relieve or prevent nausea and vomiting

laxatives

medications or food given to stimulate bowel movement

name the 3 parts of the small intestine

duodenum, jejunum, ileum