Digestive Tract Flashcards
Liver gallbladder pancreas salivary gland
Accessory organs
Alimentary canal
Digestive tract mouth to anus
Steps to digestion
Ingestion mechanical processing digestion secretion absorption excretion
Layers of the alimentary canal innermost layer secretes mucus and enzymes
Mucosa
Layers of the elementary canal blood vessels lymph and nerves
Submucosa
Layers of the elementary canal layers of muscle that push food
Muscularis externa
Layers of the elementary canal outer protective layer that reduces friction
Serous
Wavelike contractions to push you down the elementary canal
Peristalsis
Controlled by pacemaker cells
Peristalsis
Area from diaphragm to pelvis
Abdominal cavity
Tissue covering of the internal organs in the belly
Visceral peritoneum
Tissue on the wall of the belly
Parietal peritoneum
Lubricates cavities to reduce friction
Peritoneal fluid
Tissue that holds the small intestines in place and supply blood vessels
Mesentery
Connects stomach to back of peritoneum
Lesser omentum
Runs from the base of the stomach to the bottom of the abdominal cavity
Greater omentum
Connects large intestine to parietal peritoneum
Mesocolon
Area behind the peritoneum were kidneys are located
Retroperitoneal
Mouth opening
Buccal cavity
Lining of the mouth
Oral mucosa
Lips
Labia
Between the cheek and gum
Vestibule
Gums
Gingevae
Roof of mouth
Hard and soft palate
Excess tissue in back of throat
Uvula
Lymphatic tissue in back of throat
Tonsils
Parotid salivary gland
Found in cheeks
Sub lingual salivary gland
Found under the tongue
Submandibular salivary gland
Found in lower jaw
Functions of saliva
Buffer. Cleans mouth. Fight bacteria. Lubricates the mouth. Moistens food. Justin of starches and fats.
Process of chewing
Mastication
Main components of teeth
Dentin
Center of tooth
Pulp cavity
Narrow tunnel that blood vessels and nerves that run through
Root canal
Base of the tooth
Root
Connect teeth to jaw bones
Peridontal ligament
Connects tooth to gum
Cementum
Visible part of the tooth
Crown
Infection of the gum
Gingivitis
Covering of tooth
Enamel