Struktur Saluran Cerna

Struktur Saluran Cerna

Syaraf untuk Proses Menelan

Proses menelan dikendalikan oleh Nucleus tractus solitarius di batang otak, memiliki syaraf eferen:N VN IXN XMekanisme Menelan

During the process of swallowing, or deglutition:The tongue pushes a bolus of food into the throatThe nasopharynx is reflexively blockedRespiration is inhibited, the vocal chords close and the epiglottis seals off the tracheaWhile the upper esophageal sphincter opensA peristaltic wave forces the bolus into the stomach.

Peristaltik Esofagus

Peristaltik Gaster

Peristaltic waves in the stomach.Peristaltic waves move toward the pylorus. The most vigorous peristalsis and mixing action occurs close to the pylorus. The pyloric end of the stomach acts as a pump that delivers small amounts of chyme into the duodenum.Gerak IntestinumGerak kontraksi usus halus terdiri dari:Gerak mencampur (mixing)Gerak propulsif dan segmentasi

Gerak Colon

Pergerakan masa di colon disebut haustrasi, sejenis gerakan segmentasi yang muncul 2-3 kali sehari.