Digestive lecutre Flashcards
Alimentary canal
mouth
pharynx
esophagus
stomach
small intestine
large intestine
Accessory Organs
teeth, salivary glands, liver, pancreas
6 process of digestion
Ingestion
Mechanical Digestion
Chemical Digestion
Propulsion
Absorption
Defecation
Mechanical Digestion
physical breakdown of food
chewing or churning in stomach
Chemical Digestion
Enzymatic breakdown by various secretion
Propulsion
skeletal and smooth muscle move food through the canal
Peristalsis- involuntary muscle contraction of smooth muscle
Absorption
transport nutrients from alimentary canal into blood or lymph
Defecation
removal of solid components and waste
Ingestion
entry of food into the alimentary canal
Peritoneum
serous membrane of abdominal cavity
Parietal peritoneum
lines abdominal wall
Peritoneal Cavity
fluid filled space between layers
Mesentary
double layer of peritoneum that anchors digestive organs
4 layers of alimentary canal walls
Mucosa
Submucosa
Muscularis
Serosa
Mucosa
Innermost layer
simple columnar epithelium
secretes digestive enzymes
absorbs nutrients from canal