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Physiology
| Question | Answer |
|---|---|
| 3 layers of Mucus layer | Epithelial lining Lamina Propria Muscularis Mucosa |
| Nature of cells of epithelial lining in 1) Mouth to Oesophagus 2) Stomach to LI | Stratified Squamous Cuboidal |
| Lamina Propria is made of | Connective Tissue |
| Submucus is absent in | Mouth and Pharynx |
| Location of Only skeletal muscles in GI Only smooth muscles in GI Both skeletal and smooth muscles in GI | Lips, cheek, wall of pharynx. Stomach and intestine. Esophagus. |
| Muscles in Stomach | Oblique Circular Longitudinal |
| Muscles of intestine | Circular Longitudinal |
| Auerbach's nerve plexus | B/w circular and longitudinal Muscles of Intestine |
| Where serosa is replaced by fibrosa? Difference b/w both | Pharynx and esophagus. Serosa has Connective Tissue (CT) and Mesoepithilial Fibrosa has only CT |
| Enteric Nervous System is made by | Intrinsic Nervous System |
| Functions of entertic nervous system | Movements and secretions of GI |
| Enteric Nervous System makes | Auerbach's and Meissner's plexus |
| Other name of Auerbach's plexus | Myenteric Plexus |
| Receptors in GI tract | Stretch and chemo |
| Enteric Nervous System is controlled by | Extrinsic nerves |
| Auerbach's plexus and Meissner's plexus are connected to CNS by | Sympathetic and parasympathetic nerves |