One of the major compartments of the body, the abdominal cavity houses the
The stage of digestion during which nutrients are transported into the
The mechanism of transport during absorption that requires an
electrochemical gradient and energy to
transport nutrients into the blood stream.
An enzyme produced by the pancreas that is responsible for the degradation
The stage of digestion during which nutrients are delivered to the rest
of the body.
A basic electrolyte that is produced by the exocrine pancreas,
maintaining neutrality in the small intestine.
Brush Border Membrane
The highly specialized invaginated mucosa of the small intestine that is
responsible for the absorption of many
The dilated entrance to the colon.
The first phase of gastric acid secretion whereby gastric acid is secreted
in response to chewing.
The result of mixing food bolus with acid in
The large intestine.
The process of absorption occurring across a gradient that does not
The process by which large food particles are broken down into nutrients
through mechanical and chemical
The first portion of the small intestine.
Anions and cations found in the blood stream.
The stage of digestion whereby waste products are eliminated.
Molecules responsible for breaking down proteins, fats, and
The layer of cells that lines the intestine.
The phase of gastric acid secretion that is stimulated by distension of the
stomach by food in the stomach.
The third portion of the small intestine.
The phase of gastric acid secretion that is stimulated by protein in the
The second portion of the small intestine.
An enzyme produced by the pancreas responsible for the digestion of fats.
The series of connections of vessels that transport cells of the immune
throughout the body.
The peristaltic contractions that occur in response to a food bolus or
A complex molecule made in the liver that aids in transporting fat
degradation products into the blood
Migrating Motor Complex
The peristaltic contractions that occur constantly throughout the digestive
The lining of the intestinal lumen.
The middle layer of the intestinal tract.
The final products of digestion that are absorbed into the blood stream.
The mechanism of transport of nutrients into the blood stream that requires
a gradient or carrier molecule.
An enzyme produced in the stomach responsible for protein
The squeezing mechanism of the gastrointestinal tract that keeps the
contents of the lumen
in constant motion from the
mouth to the anus.
The enzyme produced by the salivary glands responsible for starch
The stage of digestion during which materials needed for digestion
are released into the lumen
of the intestine.
The outer layer of the intestinal tract.
A specialized circular muscle that serves a gate-keeping function
that prevents the free passage of material.
The compartment of the body containing the heart, lungs, and
Readers' Notes allow users to add their own analysis and insights to our SparkNotes—and to discuss those ideas with one another. Have a novel take or think we left something out? Add a Readers' Note!