Page 254 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

A. Anatomy of the stomach B. Gastric filling
Esophagus “Proximal” stomach Filling 50 mL 250 mL 500 mL max.
Cardia Gastric juice ca. 1500 mL
Fundus Mucus
Corpus
Antrum Mucous
Pylorus neck cell
Duodenum and Motility
Parietal cell

“Distal stomach” Chief cell
(After Code et al.)
C. Motility cycle of distal stomach Stomach Structure
Duodenal cap
Liquid
Duodenum
Pyloric
canal Solid
Antrum Plate 10.8
1 2 3 4 5 6
Cineradiography images (After Carlson et al.)
D. Factors that influence gastric motility

Hypoglycemia, CNS
psychological factors, Pain,
taste, smell, etc psychological factors, etc.
Sympathetic Vagal
nerves nerve Adrenergic
Cholinergic
VIP, etc.
CNS and Pace- Receptive
prevertebral maker relaxation
ganglia zone
Adrenergic Cholinergic

Enterogastric reflex Pylorus Free H ions

Narrow
amino
acids
+
Peristaltic
Osmolality
waves Dilated Fatty acids
Tryptophan
Stretching
SIH Gastrin
SIH
GIP, etc. Gastrin Motilin
CCK, GIP
1 Distal stomach Secretin 241
(mixing and processing) 2 Proximal stomach and pylorus (emptying)
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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