digestive system Flashcards
all of the following are retroperitoneal except… liver, pancreas, duodenum, ascending colon, descending colon?
liver
the falciform ligament attaches the ___ to the abdominal wall
liver
a brush border is found on the __
enterocyte
the yolk sac is connected to the embryonic __ by way of the vitelline duct
midgut
lacteals absorb dietary
lipids
all of the following contribute to the absorptive surface area of the small intestine except.. its length, the brush border, haustra, circular folds, villi
haustra
which of the following is a periodontal tissue.. gingiva, enamel, cementum, pulp, dentin
gingiva
the ___ of the stomach most closely resemble the ___ of the small intestine.
gastric pits, intestinal crypts
which of the following cells secrete digestive enzymes?
chief cells
the tissue layer between the muscularis mucosae and muscularis externa of the digestive tract is
the submucosa
the alimentary canal has an extensive nervous network called the ___
enteric nervous system
the passage of chyme from the stomach into the duodenum is controlled by a muscular ring called the ___
pyloric sphincter
the ___ salivary gland is named for its location near the ear
parotid
the ___ is a complex of veins that carry blood from the stomach and intestines to the liver
hepatic portal system
nervous stimulation of gastrointestinal activity is mediated mainly through the parasympathetic fibers of the ___ nerves
vagus
