digestive system anatomy Flashcards
what are the four layers (tunics) in the digestive tract from innermost layer to outermost layer?
Mucosa, submucosa, muscularis, and serosa
What type of cells make up the mucosa?
Stratified squamous in mouth to esophagus and anus, columnar epithelium in between
What type of cells make up the submucosa?
connective tissue
What type of cells make up the muscularis?
Two layers of smooth muscle (circular inner, longitudinal outer)
What type of cells make up the serosa? (visceral peritoneum)
Thin connective tissue and simple squamous epithelium.
Name the type of teeth that are in the upper jaw starting at 1.
Third molar, second molar, first molar, second premolar, first premolar, canine, lateral incisor, central incisor, central incisor, lateral incisor, canine, first premolar, second premolar, first molar, second molar, third molar.
Identify the parotid gland, parotid duct, sublingual gland, sublingual duct, and submandibular gland and duct
Name cusp, enamel, gingiva, dentin, pulp cavity, root canal, cementum, periodontal ligaments, alveolar bone, apical foramen, root, neck, clinical crown
Identify the three layers of the gastric muscularis, pyloric sphincter, cardia, fundus, pyloris, greater and lesser curvatures.
The three layers are longitudinal (outermost), circular, and oblique (innermost).
Identify the duodenum, jejunum, ileum, and ileocecal junction.
Identify the cecum, ascending colon, hepatic flexure, transverse colon, splenic flexure, descending colon, sigmoid colon, rectum, appendix, taenia coli
Identify the head, body, tail, and pancreatic duct.
Identify the right lobe, left lobe, quadrate lobe, caudate lobe, falciform ligament, triangular ligaments, hepatic duct, cystic duct, gallbladder (S885)
Identify the hepatic duct, cystic duct, and gallbladder. Also identify the common bile duct and its outlet into the duodenum.
Where are Peyer’s patches located?
The ileum of the small intestine. They are patches of lymphoid tissue.
