Term
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Definition
- Enzymes break food into usable nutrients
- Carbohydrates-> Monosacharides
- Protetins-> Amino Acids
- Fats-> Glycerol & Fatty Acids
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Term
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Definition
| mov't of nutrients frm digestive system into BL (hepatic-portal route) |
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Term
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Definition
| elmination of non-digestible/ non-absorbed materials frm digestive tract |
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Term
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Definition
- Outer layer
- Cover abodminal wall
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Term
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Definition
- Inner layer
- Covers digestive organs
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Term
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Definition
- Cover parts of digestive tract not in abdominal cavity (i.e esophagus)
- Single layer of areolar CT
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Term
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Definition
| cut & chop (in front of mouth) |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
- aids in mechanical digest.
- places food on teeth for processing
- glands w/i secretes lingual lipose
- taste receptors
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Term
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Definition
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Term
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Definition
- Parotid
- Submadibular
- Sublingual
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Term
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Definition
| lubricates food (swallowing) and mouth tissue |
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Term
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Definition
| chemical digestion of carbs (starch) |
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Term
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Definition
- Connects oral cavity to stomach
- Collapsable tube- behind trachea
- Peristalsis
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Term
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Definition
| sequenical contrations of small muscles of the digestive tract to propel food through |
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Term
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Definition
- Chem. digest. of stomach
- Secretes gastric juice
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Term
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Definition
- Part of rugae
- Mucous neck cells (secrete mucous)
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Term
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Definition
- Part of rugae
- Secretes hydrochloric acid and intrinsic factor
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Term
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Definition
- Part of rugae
- Secretes pepsinogen & gastric lipose
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Term
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Definition
- Hormone secreted by Chief Cell
- HCl creates peptin, which breaks down protein
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Term
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Definition
| secrete the hormone gastrin |
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Term
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Definition
- Released via pyloric sphincter to small intestine
- Produced in the stomach
- Soupy liquid
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Term
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Definition
- Pancreas
- Endocrine cells
- Insulin
- Glucagon
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Term
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Definition
- Islet cells
- β cells
- Nutrients storage in tissues
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Term
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Definition
- Islet cell
- α cells
- Nutrients release from tissues
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Term
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Definition
- Pancreas
- Exocrine cells
- Pancreatic juice
- Amylase
- Lipase
- Trysin
- Sodium Bicarbonate
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Term
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Definition
- Acini cell
- Digest proteins
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Term
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Definition
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Term
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Definition
- Acini cell
- Neutralize acidic chyme (material moving thru small intestine)
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Term
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Definition
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Term
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Definition
- chem. digest. of sm. intestine
- finsh digest. of protein
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Term
| Microvilli of Small Instestine |
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Definition
- From "brush border"
- Have diff. enzymes on membranes
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Term
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Definition
- product of sm. intest. -> microvilli
- LCFA + Bile salts
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Term
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Definition
- Product of microvilli-> villi
- Reformed LCFA + cholestrol-coated w/ proteins
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Term
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Definition
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Term
| High Density Lipoproteins (HDLs) |
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Definition
| moves fat from BL-> liver= "good" cholestrol |
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Term
| Low Density Lipoproteins (LDLs) |
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Definition
| moves fats-> tissues for repair if too much, will deposit in arteries |
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Term
| Very Low Density Lipoproteins (VLDLs) |
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Definition
| moves lipids prod. by body from liver -> adipose tissue, coverts to LDLs |
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Term
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Definition
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Term
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Definition
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Term
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Definition
- LI
- Ascending, transverse, decending, sigmoid (S-shaped)
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Term
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Definition
- LI
- 20 cm
- Final 2-3cm- anal canal
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Term
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Definition
- LI
- Opening
- "Guarding" it are
- internal anal sphincter- involutary
- external anal sphincter-voluntary
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Term
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Definition
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Term
| Maltase, Lactase, Sucrase |
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Definition
| finish digesting carbhoydrates to produce monosaccharides |
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Term
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Definition
- Esophagus
- Amass of food that has been chewed to the pt. of swallowing
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Term
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Definition
- The only proteolyic (protein- digesting) ennyme in the stomach
- Secreted by chief cells
- Most effective in very acidic environment of the stomach (pH 2), inactive at anything higher
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Term
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Definition
- Function of the L.I
- Wave from mid-transverse colon to rectum
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Term
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Definition
| imflammation of peritoneum |
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Term
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Definition
lesions of digestive tract due to exposure to acid gastric juice |
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Term
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Definition
| hole in ling of digestve tract |
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Term
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Definition
- "Aneursym" of colon
- Waste accumulation in bulged area
- Inc. likelihood of infection
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Term
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Definition
- Formation of polyps- lining of L.I
- Block flow of waste through colon
- Associated with high fat diet
- Fat adheres to lining of L.I -activation of oncogenes more likely
- High fiber diet reduces risk by scouring lining
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