MOD 4 Gastroenterology Flashcards
Gastroenterology
Gastr/o- stomach
enter/o- intestine
-logy the study of
GI
gastrointestinal
-al… pertaining to
Alimentary canal
aliment/o- food; nourishment
-ary… pertaining to
another name for the gastrointestinal system
gustatory cortex
Information of taste is sent to the gustatory cortex of the brain.
gustat/o- the sense of taste
-ory … having the function of
Salivary glands
- Parotid glands
- Sublingual glands
- Submandibular glands
mastication
mastic/o- chewing
-ation… a process; being or having
Deglutition
Swallowing.
(dee-gloo-TISH-un)
degluti/o- swallowing
-tion… a process
Pharyngeal
pharyng/o- pharynx (throat)
-eal… pertaining to
A passageway for food as well as for inhaled and exhaled air.
Peristalsis
a process of coordinated contraction that moves food
peri- around
stal/o- contraction
-sis… process; condition
The four region of the stomach
- cardia
- fundus
- body
- pylorus
Rugae
deep folds in the lining of the stomach that expands as stomach is filled with food.
Chyme
pronounced: KIME
semisolid mixture of partially digested food, saliva, digestive enzymes, and fluids of the stomach.
The three parts of the small intestine
- duodenum
- jejunum
- ileum
Duodenum
(doo-oh-DEE-num)
10-inch, C-shaped segment that begins at the stomach and ends at the jejunum.

Jejunum
8-foot segment that twists and turns in the adbominal cavity.
(jeh-JOO-num)
ileum
12-foot segment that absorbs nutrients is completed.
Villi
(VIL-eye)
thousands of small, thin structures that project into the lumen (central, open area) and increases the amount of surface area to maximize the absorption of food nutrients and water thru the intestinal wall and into the blood.
Large intestine consts of…
- the cecum (SEE-kum)
- the colon
- rectum
- anus
haustra
puckered pouches on the walls of the large intestine that can greatly expand as needed. Water is absorbed thru the intestinal wall and into the blood.
colon
longest part of the large intestine. It travles thru all 4 quadrants of the abdomen.
- Ascending colon
- Transverse colon
- Decending colon
- Sigmoid colon

peritoneum
(pair-ih-toh-NEE-um)
double-layer serous membrane. one layer lines the walls of the abdominopelvic cavity. the other layer surounds each of the organs.
peritoneal fluid
watery fluid that fills spaces between the organs and allows them to slide past each other during movements of digestion
omentum
Supports the stomach and hangs down as a fatty apron to cover and protect the small intestine.
mesentery/mesenteric
a thicki, fan-shaped sheet that supports the jejunum and ileum.
meso- middle
enter/o- intestine
-ic… pertaining to