digestive final.txt

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What are the 4 layers of the GI tract?
- Mucosa
- Submucosa
- Muscularis
- Serosa
Which layer controls secretory cells and smooth muscles of the mucosal epitheliam?

Submucosa
Which layer contains glands and lymphatic tissue?

Submucosa
What is the job of the muscularis?

mixes and propels substances
What is controlled by the myenteriuc plexus?

muscularis
what is peristalsis?

wave like contraction of muscles to move food
what is the retroperitoneal region?

anything in the abdomen
What is the supberitoneal region?

anything in the pelvic cavity
what are the 4 types of teeth?
- incisors
- canines
- premolars
- molars
What do incisors do?

bite
What do canines do?

tearing and grasping
What do premolars and molars do?

grinding
where can you find stratified squamous E.T. in the gi tract?

esophogus and rectum
what forms the lower esophageal sphincter?

muscularis
what does the esophagus have instead of serosa?

adventitia
does the stomach have oblique muscles in the muscularis?

yes
what else does the liver do besides filter blood?

secretes bile to aid in absorption of lipids bye the small intestine
what p roduces and secretes bile?

hepatocytes
What 2 types of glands do the pancreas contain?

exocrine and endocrine glands
what secretes pancreatic juice?

Pancreatic acini
what do the pancreatic duct and the common bile duct form as they enter the duodenum?

hepatopancreatic ampulla
what is the shortest region of the small intestine?

duodenum
what is the primary site of chemical digestion and absorption?

jejunum
what is the longest region of the small intestin?

ileum
what do the intestinal glands secrete?

digestive enzymes
what do the brunner's gland secrete?

alkaline mucus
what is segmentation?

localized mixing of chyme in small intestine
what is haustral?

churning, pouch to pouch movement in large intestine

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Johnemt

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digestive final.txt

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digestive final.txt

Updated

12/9/2013, 7:47:55 AM

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