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Digestive System - Coggle Diagram
Digestive System
Spincters (5)
Upper Oesophageal Sphincter
Lower Oesophageal Sphincter
Pyloric Sphincter
Ileocaecal Sphincter
Anal Sphincter
Control Systems
Enteric Nervous System (ENS)
collection of neurones that are intrinsic to the digestive tract
around 100 million neurones in the
submucosal nerve plexus
and
myenteric nerve plexus
Constitute true nervous system contains:
afferent (sensory) neurones
interneurones that integrate information
efferent (motor) neurones
Autonomic Nervous System (ANS)
Parasympathetic and sympathetic innervation (includes sensory - afferent neurones)
Endocrine System
Paracrine System
Accessory Organs (exocrine glands)
Salivary Glands
Liver
Pancreas
Blood Supply
Abdominal Aorta
Inferior Mesenteric Artery
Superior Mesenteric Artery
Celiac Artery
Inferior Vena Cava
Portal Vein
Digestive Tract
Mouth
Tongue - houses large numbers of chemoreceptors
Oesophagus
Stomach
Small intestine
Large intestine
Microscopic Structure
Lumen
Mucosa
Submucosa
Muscularis Externa
Serosa
