III GASTRICMOTILNY
1 III GASTRIC MOTILITY
Major Function of Gastric Motility >To serve as a reservoir >To break food into small particles and mix food with gastric secretions To empty gastric contents into the duodenum at a controlled rate
2 Major Function of Gastric Motility ➢To serve as a reservoir ➢To break food into small particles and mix food with gastric secretions ➢ To empty gastric contents into the duodenum at a controlled rate
1. Anatomy and innervation of the Stomach
3 1. Anatomy and innervation of the Stomach
Esophagus Furdi ec民… —o Duodenum barc G想 sphincter brr CUTYEtUTE antrum
4
The stomach can be divided inte three anatomic regions and two functional regionS (B A B Fundus orus Antrum Gastric pump Gastric reservoir orpus Phasic contractions Tonic contractions 5
5 The stomach can be divided into three anatomic regions (A) and two functional regions (B) Gastric reservoir Tonic contractions Gastric pump Phasic contractions B Fundus Corpus Antrum Pylorus A