Term
| Lip Epithelium and glands |
|
Definition
Stratified Squamous
Mucus (inside) & Sebacous (outside) |
|
|
Term
| Tongue- Intrinsic muscles vs. Extrinsic |
|
Definition
| Intrinsic is Responsible for changing shape but extrinsic is responsible for movement |
|
|
Term
|
Definition
| Filliform, Fungiform, Circumvallate, Foliate (not present in humans) |
|
|
Term
|
Definition
most numerous
Smallest
keratinized
NO taste buds |
|
|
Term
|
Definition
Red spots
non-keratinized
taste buds on dorsum
|
|
|
Term
|
Definition
8-12
largest
non-keratinized
taste buds on sides
|
|
|
Term
| Taste Buds recognize 5 tastes: |
|
Definition
| sweet, sour, bitter, salty and MSG (umami) |
|
|
Term
| 4 Layers of GI tract and their contents |
|
Definition
Mucosa- lining epithelium, Lamina propria, smooth muscle
Submucosa- Meissner's plexus
Muscularis - Myenteric plexus
Adventitia - connective Tissue |
|
|
Term
| GI innervation- Enteric, has 2 plexus |
|
Definition
main controller
Can function w/o vagus n.
Meissener's - motility of GI, gland secretions, and local blood flow
Myenteric - contraction and Peristalsis |
|
|
Term
| GI innervation - Autonomic |
|
Definition
Parasympathetic - Vagus n., stimulates peristalsis and inhibits sphincters
Sympathetic - Splanchnic n, inhibits peristalsis and activates sphincters |
|
|
Term
| Esophagus - epithelium and whats significant? |
|
Definition
Stratified Squamous epithelium
Transition from skeletal to smooth muscle in middle third
|
|
|
Term
|
Definition
abnormal growth of simple columnar cells in esophagus.
can lead to adenocarcinoma |
|
|
Term
| Stomach - 4 regions, epithelium, function |
|
Definition
Cardia, Fundus, Body, Pylorus
Simple Columnar
ingested food is degraded by HCl and pepsin
|
|
|
Term
|
Definition
| longitudinal folds of gastric mucosa and submucosa in resting or empty stomach |
|
|
Term
Gastric Glands contain what kind of cells in the:
pit, isthmus, neck and base? and what do they secrete? |
|
Definition
Pit
- surface lining cell = Visible mucus that is thick to protect stomach
- Regenerative Cell = highly mitotic
Isthmus
- mucus neck cell = soluble mucus to lubricate food
Neck
- Parietal cell = secrete HCl and intrinsic factor. HCl is stimulated by Gastrin, Histamine, and Parasympathetic. HCl is inhibited by Somatostatin, prostaglandin, and GIP
Base
- Chief cell = pepsinogen, contains zymogen granules
- Endocrine cell = G cels secrete gastrin
|
|
|
Term
Peptic Ulcer disease: what is it?
what is it caused from |
|
Definition
inflammatory lesions in mucosal lining
from an increase in HCl secreted from Parietal cells
caused from H. Pylori or NSAIDs |
|
|
