Title: Gastrointestinal Motility: Gastric Motility and Intestinal Motility
Headings: Gastrointestinal Motility: Gastric Motility and Intestinal Motility
Gastrointestinal Motility: Gastric Motility and Intestinal Motility
Table of Contents
Histology of the Gastrointestinal Tract
Gastrointestinal Tract Innervation
Extrinsic Innervation
Intrinsic Innervation
Peristalsis
Tonic Contraction of Sphincter
Swallowing
Stage 1 – Voluntary Stage
Stage 2 – Pharyngeal Stage (Involuntary)
Esophageal Motility
Gastric Motility
1. Receptive Relaxation
2. Mixing and Digestion
3. Gastric Emptying
Factors that affect Gastric emptying:
Intestinal Motility
Learn. Apply. Retain.
References
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Content: Orad region – made up of the fundus and the proximal part of the body. It functions to receive the ingested food from the esophagus. Caudad region – made up of the antrum and the distal half of the stomach. It functions to mix and churn food and then pushing it into the duodenum. Bild: “ Illustration from Anatomy & Physiology, Connexions Web Site” von OpenStax College. Lizenz: CC BY-SA 3.0
Gastric motility can be understood better when divided into three stages: 1. Receptive Relaxation
When the bolus of food enters and causes distention of the stomach, a vagovagal reflex is initiated that causes relaxation of the orad region of the stomach, hence accommodating the ingested food.