Digestive and Urinary System Flashcards
(40 cards)
tube extending from the mouth to the anus; also known as the alimentary tract
digestive tract
movement of food from one end of the digestive tract to the other
propulsion
total time it takes food to travel the length of the digestive tract
24-36 hrs
the innermost tunic of the digestive tube
mucosa
the two specialized cells in the mucosa
mechanoreceptors and chemoreceptors
muscular layer of the digestive tube
muscularis
extensive network of submucosal and myenteric plexus with the walls of the digestive tract
enteric nervous system
type of enteric neuron that stimulates/inhibits smooth muscle contraction and glandular secretion
enteric motor neuron
mesentery that attaches the liver to the diaphragm
coronary ligament
mesentery that attaches the liver to the anterior abdominal wall
falciform ligament
a semifluid material that is a combination of stomach secretions and food
chyme
three parts of the small intestine
duodenum, jejunum, ileum
lymphatic nodules that are numerous in the mucosa and submucosa of the ileum
Peyer’s patches
considered as the largest internal organ
liver
a sac-like structure for bile storage
gallbladder
the endocrine part of the pancreas consists of ___
pancreatic islets
contractions that move material in the distal part of the large intestine to the anus
mass movements
reflexes initiated by distention in the stomach
gastrocolic reflexes
reflexes initiated by distention in the duodenum
duodenocolic reflexes
lipid droplets surrounded by bile salts
micelles
an outer layer of connective tissue surrounding each kidney
renal capsule
a thin layer of connective tissue that surrounds the adipose tissue and helps anchor the kidneys to the abdominal wall
renal fascia
a small area on the concave, medial side of the kidney
hilum
two major regions of the kidneys
cortex and medulla