Chapter 11 - The Gastrointestinal System Flashcards
digestion
process of carrying food through the body and breaking it apart into usable and unusable parts
3 main types of usable food fuel
protein
fat
carbohydrates
upper GI tract
mouth
esophagus
stomach
lower GI tract
small and large intestines
mouth
or/o, stomat/o
gums
gingiv/o
tooth
dent/o, odont/o
gloss/o, lingu/o
tongue
strongest muscle in the human body relative to its size
stomach
gastr/o
esophagus
esophag/o
parts of the small intestine
duodenum, jejunum, ileum
longest part of the GI system
intestines
enter/o
duedenum
dueden/o
1st section of small intestine, means “twelve” bc its length is the same as the width of 12 fingers
jejunum
jejun/o
2nd section of small intestine, means “empty” bc it is found empty during dissections
ileum
ile/o
3rd part of the small intestine’s sections, means “groin” bc located in the lower abdomen
colon (large intestine)
col/o, colon/o
starts at the bottom of the abdomen (where ileum ends) and divided into 3 sections:
ascending (going up)
transverse (going across)
descending (going down)
sigmoid colon
sigmoid/o
at the end of the colon, before rectum begins (has an S-shaped curve)
rectum
rect/o
final portion of the colon before the anus
anus
an/o
the sphincter or muscle at the end of the intestines that allows for passage of feces
anus or rectum
proct/o
refers to both anus and rectum
liver
largest gland in the body, gets rid of toxins, plays a role in energy storage, makes a bile that breaks down fatb
bile
breaks down fat
sent to two places:
small intenstine
gallbladder (storage gland)
pancreas
makes enzymes that break apart proteins, fats, and carbohydrates
saliva
sial/o