Gross Anatomy + Gland of the Stomach
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18 Terms
Stomach
a muscular sac in the upper left abdominal cavity
Where is the stomach located?
Inferior to the diaphragm
What is the primary function of the stomach?
a food storage organ
What does the stomach do to food mechanically?
breaks up food particles & liquefies the food
What type of chemical digestion begins in the stomach?
digests of protein and fat
What is chyme?
soupy or pasty mixture of semi-digested food in the stomach and stomach acid.
Where does most chemical digestion occur after the cyme passes?
Small Intestine
The stomach is divided into how many regions?
4
The cardiac region (cardia) is located…
a small area within about 3 cm of the cardiac orifice
The fundic region (fundus) is best described as…
dome-shaped portion superior to the esophageal attachment
The body (corpus) of the stomach…
makes up the greatest part of the stomach
The pyloric region is…
narrower pouch at the inferior end
What is the function of the pyloric sphincter?
regulates the passage of chyme into the duodenum (small intestine)
What are gastric pits?
depression in the gastric mucosa (stomach lining)
Gastric pits are lined with…
simple columnar epithelium
How much gastric secretion do the stomach glands produce?
2-3L
Which of the following are components of gastric secretions?
water, HCI, Pepsin
Where do gastric glands open?
at the bottom of each gastric pit