STOMACH & INTESTINES Flashcards
Fundus:
MOST SUPERIOR REGION; DOME-SHAPED
Body:
LARGEST REGION; INFERIOR TO FUNDUS
Pyloris:
NARROW, MEDIAL; POUCH THAT FORMS TERMINAL REGION; RIGHT BEFORE ENTERING THE SMALL INTESTINE
Gastric folds:
CONTROLS EXPANSION OF STOMACH; WAVY, INTERNAL GROOVES
Describe the muscle layers in the stomach wall.
MUSCULARIS: LONGITUDINAL LAYER (SUPERFICIAL), CIRCULAR LAYER, & OBLIQUE LAYER (DEEP)
Histology—Circular folds, villi, and microvilli:
SMALL INTESTINE
Histology—Gastric pits:
ESOPHAGEAL-STOMACH BORDER & STOMACH
Histology—Many, many, many, many goblet cells:
LARGE INTESTINE
Name the segments, in order, of the small intestine.
DUODENUM, JEJUNUM, & ILEUM
Which cells secrete pepsinogen and gastric lipase?
CHIEF CELLS
Which cells secrete stomach acid/HCl (hydrochloric acid)?
PARIETAL CELLS
Small intestine – what is the overall function of the small intestine? I
NGEST CHYME & ABSORB NUTRIENTS THRU CHEMICAL DIGESTION
Which cell type in the small intestine produces mucous?
GOBLET CELL
Which cell type in the small intestine releases CCK & secretin?
ENTEROENDOCRINE CELLS OF THE DUODENUM (I-CELLS)
BILIARY APPARATUS:
NETWORK OF THIN DUCTS THAT INCLUDE RIGHT & LEFT HEPATIC DUCTS, WHICH DRAIN THE LOBES OF THE LIVER.
