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25 Cards in this Set

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  • Back
function of the digestive system
Securing food
Conducting and storing food
Mechanical and chemical digestion
Absorption of food
mouth
Buccal or oral cavity
Obtains food
Provides for mechanical breakdown of food
Assisted by: teeth, tongue and salivary glands (provide enzymes for breakdown of food
pharynx
Crossover for digestive and respiratory system
Muscular tube
Connects the back of the nasal and oral cavity with the esophagus and larynx/trachea
Conveys food from mouth to esophagus by process of deglutition (swallowing)
intrinsic glands
In walls, release secretions into lumen (mucus, enzymes)
extrinsic glands
Outside the walls, deliver secretion to lumen via ducts (salivary glands, pancreas, liver)
esophagus
Muscular tube that conducts food from the pharynx to the stomach by peristalsis
stomach
Muscular-glandular sac for storage and chemical digestion
small intestines
Long thin tube with expanded luminal surface area

Designed for further digestion
Main function is for absorptions of digested carbohydrates, protein and fat
large intestine
Wider and shorter than small intestines
Mainly designed for absorption of water
Rectum is designed to store waste until it is expelled from anus
peritoneum is
Smooth shiny serous membrane
Lines the abdominal cavity and party of the pelvic cavity
peritoneum is composed of
Surface layer of simple squamous epithelium (mesothilium) which lies on a layer of connective tissue containing blood vessel nerves and lymphatics.
Semi permeable to water and small molecules.
the function of peritoneum is
secret the watery peritoneal fluid that acts as a lubricant to decrease friction
peritoneal cavity
Cavity enclosed by peritoneum
Divided into peritoneal portion and pelvic portion
parietal peritoneum
Peritoneum attached onto wall of abdominal wall of the abdominal cavity
visceral peritoneum
Peritoneum lining the external surfaces of the viscera (soft internal organs)
connecting peritoneum
Composed f double serous membranes
mesentary
Peritoneum from the intestine to the dorsal wall of the abdominal cavity
common or great mesentary
Connects most of the small intestine to the abdominal roof at the level of the first or second lumbar vertebrae.
mesocolon
Attaches the colon (large intestine) to the abdominal roof and continues into the pelvic inlet as the mesorectum
greater omentum
Peritoneum from the stomach to the wall of the abdominal cavity or other viscera
lesser omentum
Passes from the lesser curvature of the stomach to the liver
ligament
Reflections of the peritoneum between the viscera, or between viscera and the abdominal wall.