A&P IV
Midterm Exam Review Packet
Ch. 24
DIGESTIVE PROCESSES
1. Ingestion
2. Digestion (mechanical and chemical)
3. Motility (mixing and propulsion)
4. Secretion
5. Absorption
6. Defecation
, GI TRACT AND ACCESSORY DIGESTIVE STRUCTURES
BE ABLE TO IDENTIFY EACH ORGAN ON THE IMAGE ABOVE.
GI TRACT INNERVATION
Autonomic NS
o Parasympathetic NV (enhances digestion)
o Sympathetic NV (inhibits or slows down digestion)
Enteric Nervous System
o Submucosal plexus
o Myenteric plexus
, Be able to identify all parts of the GI tract
What are the histological significances of the GI tract?
The GI tract consist of 4 layers:
Mucosa- Divides into 3 layers
Epithelium – Surface Epithelium
Lamina Propria – Connective Tissue
Muscularis Mucosae – Smooth Muscle
Submucosa- Areolar Connective Tissue
Muscularis- In all GI tract organs except the stomach
Serosa
Midterm Exam Review Packet
Ch. 24
DIGESTIVE PROCESSES
1. Ingestion
2. Digestion (mechanical and chemical)
3. Motility (mixing and propulsion)
4. Secretion
5. Absorption
6. Defecation
, GI TRACT AND ACCESSORY DIGESTIVE STRUCTURES
BE ABLE TO IDENTIFY EACH ORGAN ON THE IMAGE ABOVE.
GI TRACT INNERVATION
Autonomic NS
o Parasympathetic NV (enhances digestion)
o Sympathetic NV (inhibits or slows down digestion)
Enteric Nervous System
o Submucosal plexus
o Myenteric plexus
, Be able to identify all parts of the GI tract
What are the histological significances of the GI tract?
The GI tract consist of 4 layers:
Mucosa- Divides into 3 layers
Epithelium – Surface Epithelium
Lamina Propria – Connective Tissue
Muscularis Mucosae – Smooth Muscle
Submucosa- Areolar Connective Tissue
Muscularis- In all GI tract organs except the stomach
Serosa
