Term
|
Definition
-RAW MATERIALS FOR GROWTH AND REPAIR
-ENERGY SOURCE |
|
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Term
FUNCTIONS OF FOOD:
RAW MATERIALS |
|
Definition
-SOURCE OF BIOMOLECULE MONOMERS
-CARBS, LIPIDS, PROTEINS AND AMINO ACIDS |
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Term
FUNCTIONS OF FOOD:
ENERGY SOURCE |
|
Definition
| OXIDATION OF GLUCOSE FOR ATP PRODUCTION |
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Term
DIGESTIVE SYSTEM:
ROLES IN IMMUNITY |
|
Definition
-STOMACH ACID KILLS MICROBES
-MALT CONTAINS LEUKOCYTES
-LYSOZOME BREAKS DOWN BACTERIAL CELL WALLS
-ANTIBODIES DEFEND AGAINST INVADERS
-PERISTALSIS KEEPS MICROBES MOVING
-NORMAL FLORA COAT WALL OF LG. INTESTINE |
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Term
DIGESTIVE SYSTEM:
FUNCTIONS |
|
Definition
-INGESTION
-DIGESTION
-ABSORPTION
-ELIMINATION
-SECRETION |
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Term
DIGESTIVE SYSTEM:
INGESTION |
|
Definition
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|
Term
DIGESTIVE SYSTEM:
DIGESTION |
|
Definition
-MECHANICAL DIGESTION (CHEWING, SEGMENTATION)
-CHEMICAL DIGESTION (ENZYME HYDROLYSIS, CHEMICAL ALTERATION OF FOOD, BIOMOLECULE POLYMERS ARE BROKEN DOWN TO MONOMERS BY ENZYMES)
-PURPOSE: TO PRODUCE NUTRIENT MONOMERS THAT CAN BE ABSORBED |
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Term
DIGESTIVE SYSTEM:
ABSORPTION |
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Definition
| MOVEMENT OF MATERIALS FROM THE DIGESTIVE TUBE INTO BLOODSTREAM |
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Term
DIGESTIVE SYSTEM:
ELIMINATION |
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Definition
| WASTE MATERIALS ARE DEFACATED |
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Term
DIGESTIVE SYSTEM:
SECRETION |
|
Definition
-EXOCRINE GLANDS SECRETE FLUIDS INTO THE GI TRACT
-ENDOCRINE GLANDS SECRETE HORMONES THAT REGULATE THE DIGESTIVE SYSTEM |
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Term
|
Definition
-ORAL CAVITY
-PHARYNX
-ESOPHAGUS
-STOMACH
-SM. INTESTINE
-LG. INTESTINE |
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Term
GI TRACT:
ACCESSORY ORGANS |
|
Definition
-SALIVARY GLANDS
-LIVER
-GALLBLADDER
-PANCREAS |
|
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Term
|
Definition
-MUCOSA
-SUBMUCOSA
-MUSCALARIS
-SEROSA |
|
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Term
GI TRACT:
MUCOSA SUBLAYERS |
|
Definition
-EOITHELIUM (VARIES BY LOCATION)
-LAMINA PROPRIA (AREOLAR CT. SUPPORTS EPITHELIUM)
-MUSCULARIS MUCOSAE (SMOOTH MUSCLE THAT INCREASES SURFACE AREA OF MUCOSAL LAYER)
-MUCOSAL LAYER CONTAINS GLANDS
-MUCOSAL LAYER CONTAINS MALT
(MUCOSA-ASSOCIATED LYMPHATIC TISSUE) |
|
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Term
|
Definition
-MADE OF AREOLAR CT.
-PROVIDES VASCULAR SUPPORT FOR MUCOSAL LAYER
-CONTAINS SUBMUCOSAL PLEXUS THAT CONTROLS SECRETIONS OF SOME GI GLANDS |
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Term
GI TRACT:
SUBMUCOSA (SUBMUCOSAL PLEXUS) |
|
Definition
-PART OF THE ENTERIC NERVOUS SYSTEM (ENS)
-CONTROLS SECRETION OF GLANDS |
|
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Term
|
Definition
-MADE OF SMOOTH MUSCLE (EXCEPT FOR UPPER PORTION OF ESOPHAGUS, WHICH IS SKELETAL MUSCLE)
-CONTAINS MYENTERIC PLEXUS THAT CONTROLS MOTILITY OF GI TRACT |
|
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Term
GI TRACT:
MUSCULARIS SUBLAYERS |
|
Definition
-INNER CIRCULAR LAYER (BRACELETS)
-OUTER LONGITUDINAL LAYER (UP AND DOWN) |
|
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Term
GI TRACT:
MUSCULARIS (MYENTERIC PLEXUS) |
|
Definition
-PART OF THE ENTERIC NERVOUS SYSTEM
-CONTROLS GI TRACT MOTILITY VIA SMOOTH MUSCLE |
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Term
|
Definition
-INTRINSIC NERVES (ESOPHAGUS TO ANUS)
-CONTROL FROM INSIDE DIGESTIVE SYSTEM
-MYENTERIC AND SUBMUCOSAL PLEXUSES |
|
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Term
MUSCULARIS LAYER:
CONTRACTION OF SMOOTH MUSCLE |
|
Definition
ACCOMPLISHES:
-PERISTALSIS
-SEGMANTATION |
|
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Term
PERISTALSIS:
INNER CIRCULAR LAYER |
|
Definition
| CONTRACTS BEHIND FOOD TO PUSH IT FORWARD |
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Term
PERISTALSIS:
OUTER LONGITUDINAL LAYER |
|
Definition
| CONTRACTS IN FRONT OF THE FOOD TO GIVE A SHORTER PATH |
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Term
|
Definition
-PART OF MECHANICAL DIGESTION
-2 LAYERS OF SMOOTH MUSCLE CONTRACT IN AN ALTERNATING PATTERN TO BREAK UP FOOD INTO SM. PIECES |
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Term
|
Definition
|
|
Term
|
Definition
-ORAL (VOLUNTARY) PHASE
-PHARYNGEAL PHASE
-ESOPHAGEAL PHASE |
|
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Term
|
Definition
-VOLUNTARY CONTROL
-MOVES FOOD FROM ORAL CAVITY TO PHARYNX |
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Term
DEGLUTITION:
PHARYNGEAL PHASE |
|
Definition
-INVOLUNTARY CONTROL
-MOVES FOOD FROM PHARYNX INTO ESOPHAGUS
*EPIGLOTTIS SHIFTS DURING SWALLOWING TO COVER THE THE LARYNX, SINCE THE PHARYNX IS PART OF BOTH THE DIGESTIVE AND RESPIRATORY TRACT. THIS PREVENTS ASPIRATION OF FLUID AND FOOD INTO THE RESPIRATORY SYSTEM |
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|
Term
DEGLUTITION:
ESOPHAGEAL PHASE |
|
Definition
-INVOLUNTARY CONTROL
-MOVES FOOD THROUGH ESOPHAGUS INTO STOMACH
-PERISTALSIS PUSHES FOOD FORWARD THROUGH ESOPHAGUS |
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Term
DIGESTIVE SYSTEM:
FUNCTIONS THAT OCCUR IN THE ORAL CAVITY |
|
Definition
-INGESTION
-MECHANICAL DIGESTION
-CHEMICAL DIGESTION
-DEGLUTITION |
|
|
Term
|
Definition
|
|
Term
ORAL CAVITY:
MECHANICAL DIGESTION |
|
Definition
-CHEWING (MASTICATION)FORMS FOOD BOLUS
-INVOLVES TONGUE, TEETH |
|
|
Term
ORAL CAVITY:
CHEMICAL DIGESTION (SALIVA PRODUCTION) |
|
Definition
-SALIVA PRODUCED BY 3 TYPES OF SALIVARY GLANDS
-SECRETION OF SALIVA INCREASES WHEN FOOD ENTERS MOUTH |
|
|
Term
ORAL CAVITY:
CHEMICAL DIGESTION-
SALIVATION CONTROLLED BY |
|
Definition
-CONTROLLED BY AUTONOMIC NS
-STIMULATED BY PARASYMPATHETIC NS
-INHIBITED BY SYMPATHETIC NS |
|
|
Term
ORAL CAVITY:
CHEMICAL DIGESTION (SALIVA CONTAINS) |
|
Definition
-MUCUS (LUBRICATION OF FOOD)
-IgA (ANTIBODIES FOR IMMUNITY)
-LYSOZYME (BREAK DOWN BACTERIA FOR IMMUNITY)
-ENZYMES (CHEMICAL DIGESTION OF FOOD) |
|
|
Term
ORAL CAVITY
CHEMICAL DIGESTION(TYPES OF SALIVARY ENZYMES) |
|
Definition
-SALIVARY AMYLASE
ENZYMATIC HYDROLYSIS OF STARCH
INACTIVATED AT LOW pH
ACTIVE IN ORAL CAVITY,NOT IN STOMACH
-LINGUAL LIPASE
ENZYMATIC HYDROLYSIS OF LIPIDS
ACTIVATED AT LOW pH
ACTIVE IN STOMACH, NOT ORAL CAVITY |
|
|
Term
|
Definition
| -SHARED BY DIGESTIVE AND RESPIRATORY SYSTEMS |
|
|
Term
| FUNCTIONS OF THE DIGESTIVE SYSTEM THAT OCCUR IN THE PHARYNX |
|
Definition
|
|
Term
|
Definition
-SWALLOWING
-NO CHEMICAL OR MECHANICAL DIGESTION
-NO ABSORPTION |
|
|
Term
ESOPHAGUS:
FUNCTIONS OF DIGESTION THAT OCCUR IN THE ESOPHAGUS |
|
Definition
-DEGLUTITION
TRANSPORTS FOOD BY PERISTALSIS
SECRETES MUCUS TO LUBRICATE BOLUS
-NO CHEMICAL OR MECHANICAL DIGESTION
-NO ABSORPTION |
|
|
Term
|
Definition
| -2 SPHINCTERS REGULATE PASSAGE OF MATERIAL IN AND OUT OF THE ESOPHAGUS |
|
|
Term
ESOPHAGUS:
UPPER ESOPHAGEAL SPHINCTER |
|
Definition
| AT PROXIMAL ENTRANCE TO ESOPHAGUS |
|
|
Term
ESOPHAGUS:
LOWER ESOPHAGEAL SPHINCTER |
|
Definition
| AT DISTAL EXIT TO STOMACH |
|
|
Term
| GASTROESOPHAGEAL REFLUX DISEASE (GERD) |
|
Definition
-DUE TO LOWER ESOPHAGEAL SPHINCTER DYSFUNCTION
(WHEN SHPINCTER DOES NOT CLOSE, GASTRIC JUICE ENTER THE ESOPHAGUS, DAMAGING ESOPHAGEAL WALL) |
|
|
Term
STOMACH:
FUNCTIONS OF DIGESTIVE SYSTEM THAT OCCUR IN STOMACH |
|
Definition
-FOOD STORAGE
-MECHANICAL DIGESTION
-CHEMICAL DIGESTION
-NUTRIENT ABSORPTION
-SECRETION |
|
|
Term
|
Definition
| -UNTIL THE DUODENUM IS READY TO RECEIVE IT |
|
|
Term
STOMACH:
MECHANICAL DIGESTION |
|
Definition
| -PERISTALTIC MIXING (CONTRACTIONS MIX FOOD W/ GASTRIC JUICE, PRODUCING CHYME) |
|
|
Term
STOMACH:
CHEMICAL DIGESTION |
|
Definition
-PROTIENS DENATURED BY HCI (LOW pH= HIGH CONCENTRATION OF HYDROGEN IONS
-ENZYMATIC HYDROLYSIS OF PROTEINS AND LIPIDS |
|
|
Term
STOMACH:
NUTRIENT ABSORPTION |
|
Definition
-ONLY A SM. AMOUNT OF NUTRIENT ABSORPTION
-WATER, SOME FATS, ASPIRIN AND ALCOHOL |
|
|
Term
|
Definition
-EXOCRINE: HCI ENZYMES
-ENDOCRINE: GASTRIN HORMONE |
|
|
Term
STOMACH:
SPECIALIZED STRUCTURES |
|
Definition
-PYLORIC SPHINCTER
-RUGAE
-INNER OBLIQUE MUSCLE LAYER |
|
|
Term
STOMACH:
PYLORIC SPHINCTER |
|
Definition
-CONTROLS PASSAGE OF MATERIAL BETWEEN STOMACH AND DUODENUM
-ACID CHYME PASSES INTO DUODENUM IN SM. AMOUNTS |
|
|
Term
|
Definition
| -ALLOWS FOR VOLUME EXPANSION AS STOMACH FILLS WITH FOOD |
|
|
Term
STOMACH:
INNER OBLIQUE MUSCLE LAYER |
|
Definition
-ADDITIONAL MUSCULARIS SUBLAYER
-FIBERS RUN DIAGONALLY
-CHURNS STOMACH CONTENTS DURING MIXING |
|
|
Term
GASTRIC GLANDS:
EXOCRINE GLANDS |
|
Definition
-MUCOSA NECK CELLS
-PARIETAL CELLS
-CHIEF CELLS |
|
|
Term
GASTRIC GLANDS:
MUCUS NECK CELLS (EXO) |
|
Definition
-MUCUS COATS WALL OF THE STOMACH, PROTECTS FROM DIGESTION BY HCI AND PEPSIN ENZYME
-MUCUS LUBRICATES THE MOVEMENT OF ACIDY CHYME DURING PERISTALSIS |
|
|
Term
GASTRIC GLANDS:
PARIETAL CELLS (EXO) |
|
Definition
-SECRETES INTRINSIC FACTOR
-SECRETES HCI (HYDROCHLORIC ACID) |
|
|
Term
GASTRIC GLANDS:
CHIEF CELLS (EXO) |
|
Definition
-SECRETES PEPSIN
-SECRETES GASTRIC LIPASE |
|
|
Term
GASTRIC GLANDS:
G CELLS (ENDO) |
|
Definition
| -SECRETES GASTRIN HORMONE |
|
|
Term
GASTRIC GLANDS:
CHIEF CELLS (PEPSIN) |
|
Definition
-ENZYMATIC HYDROLYSIS OF PROTEINS
-SECRETED BY CHIEF CELLS |
|
|
Term
GASTRIC GLANDS:
PEPSINOGEN |
|
Definition
-PEPSIN IS SECRETED IN THE PEPSINOGEN FORM, INACTIVE
-PEPSINOGEN IS A LARGER MOLECULE THAN PEPSIN |
|
|
Term
GASTRIC GLANDS:
REGULATION OF PEPSINOGEN AND PEPSIN |
|
Definition
-PEPSINOGEN HAS BLOCKED ACTIVE SITE (EX: KNIFE IN A SHEATH), NO HYDROLYSIS OCCURS
-PEPSIN PRODUCES WHEN PEPSINOGEN ENTERS ACIDIC ENVIRONMENT, MAKES AN AVAILABLE ACTIVE SITE FOR PROTEIN HYDROLYSIS,(EX: KNIFE OUT OF SHEATH) |
|
|
Term
STOMACH:
NORMAL PROTECTION FROM ULCERS |
|
Definition
-MUCUS PROTECTS STOMACH WALL FROM DIGESTION BY HCl AND PEPSIN
-BACTERIA THAT ENTER STOMACH ARE KILLED BY HCl |
|
|
Term
PEPTIC ULCERS:
H. PYLORI AND WORLD POPULATION |
|
Definition
| 50% OF WORLD'S POPULATION ARE INFECTED WITH H. PYLORI BACTERIA |
|
|
Term
|
Definition
-CAN SURVIVE THE ACIDIC ENVIRONMENT OF STOMACH
-AS H. PYLORI GROWS INTO STOMACH WALL, PROTECTIVE LAYER OF MUCUS IS BROKEN DOWN
-RESULTS IN DEVELOPMENT OF PEPTIC ULCERS
-ESOPHAGUS AND DUODENUM ALSO SUSCEPTIBLE TO PEPTIC ULCERS |
|
|
Term
SMALL INTESTINE:
FUNCTIONS OF THE DIGESTIVE SYSTEM THAT OCCUR IN THE SMALL INTESTINE |
|
Definition
-MECHANICAL DIGESTION
-CHEMICAL DIGESTION
-ABSORPTION |
|
|
Term
SMALL INTESTINE:
MECHANICAL DIGESTION |
|
Definition
| SOME MECHANICAL DIGESTION OCCURS THROUGH SEGMENTATION |
|
|
Term
SMALL INTESTINE:
CHEMICAL DIGESTION |
|
Definition
| -A LOT OF CHEMICAL DIGESTION OCCURS IN SMALL INTESTINE |
|
|
Term
SMALL INTESTINE:
ABSORPTION |
|
Definition
| A LOT OF ABSORPTION OCCURS IN THE SMALL INTESTINE |
|
|
Term
SMALL INTESTINE:
3 REGIONS |
|
Definition
|
|
Term
|
Definition
-SHORTEST SEGMENT
-CALLED A MIXING BOWL
-3 FLUIDS ENTER DUODENUM AND ARE MIXED
*CHYME (FROM STOMACH THRU PYLORIC
SPHINCTER)
*BILE (FROM LIVER/ GALLBLADDER)
*PANCREATIC JUICES |
|
|
Term
|
Definition
-MIDDLE SEGMENT OF SMALL INTESTINE
-MOST OF THE CHEMICAL DIGESTION AND ABSORPTION OCCURS HERE |
|
|
Term
|
Definition
-DISTAL SEGMENT
-ONLY A LITTLE DIGESTION OR ABSORPTION OCCURS HERE
-EMPTIES INTO LG. INTESTINE |
|
|
Term
SMALL INTESTINE:
STRUCTURES IN THE MUCOSA |
|
Definition
-ABSORPTIVE CELLS
-GOBLET CELLS
-PANETH CELLS
-ENTEROENDOCRINE CELLS
-ABUNDANCE OF MALT |
|
|
Term
SMALL INTESTINE:
MUCOSA (ABSORPTIVE CELLS) |
|
Definition
-DIGEST AND ABSORB NUTRIENTS
-SYNTHESIZES AND LOCALIZES BRUSH BORDER ENZYMES
- INSERTS BRUSH BORDER ENZYMES IN MICROVILLI OF ABSORPTIVE CELLS |
|
|
Term
SMALL INTESTINE:
MUCOSA (GOBLET CELLS) |
|
Definition
-SECRETE MUCUS
-PROTECT MUCOSA FROM DIGESTION AND ACIDIC CHYME
-LUBRICATES FOOD |
|
|
Term
SMALL INTESTINE:
MUCOSA (PANETH CELLS) |
|
Definition
-LEUKOCYTE
-PRODUCES LYSOZOME
-PERFORMS PHAGOCYTOSIS |
|
|
Term
SMALL INTESTINE:
MUCOSA (ENTEROENDOCRINE CELLS) |
|
Definition
SECRETES THE FOLLOWING HORMONES:
-SECRETIN
-CHOLECYSTOKININ (CCK)
-GLUCOSE DEPENDENT INSULINOTROPIC PEPTIDE) (GIP) |
|
|
Term
SMALL INTESTINE:
MUCOSA (ABUNDANT MALT) |
|
Definition
MUCOSA-ASSOCIATED LYMPHATIC TISSUE
-LYMPHATIC NODULES CONTAIN LEUKOCYTES
-DEFENDS AGAINST MICROBES ABSORBED ACROSS SMALL INTESTINE MUCOSA |
|
|
Term
SMALL INTESTINE:
STRUCTURES IN THE SUBMUCOSA |
|
Definition
-DUODENAL GLANDS
-SECRETE ALKALINE MUCUS |
|
|
Term
SMALL INTESTINE:
BRUSH BORDER ENZYMES |
|
Definition
-CARBOHYDRATE HYDROLYSIS
ALPHA DEXTRINASE
MALTASE
SUCRASE
LACTASE
-PROTEIN HYDROLYSIS
PEPSIDASE
-NUCLEOTIDE HYDROLYSIS
NUCLEOTIDASE
PHOSPHOTIDASE |
|
|
Term
SMALL INTESTINE :
CHEMICAL DIGESTION (PANCREATIC ENZYMES A) |
|
Definition
ACINAR CELLS 99% OF PANCREATIC CELLS
-EXOCRINE FUNCTION:SECRETES PANCREATIC JUICE
-PANCREATIC JUICE COMPOSED OF:
*PANCREATIC DIGESTIVE ENZYMES
*SODIUM BICARBONATE
-PANCREATIC JUICE SECRETED INTO LUMEN OF DUODENUM
-CHEMICAL DIGESTION OCCURS IN LUMEN OF SM. INTESTINE |
|
|
Term
SMALL INTESTINE:
CHEMICAL DIGESTION (PANCREATIC ENZYMES B) |
|
Definition
PANCREATIC ISLETS 1% OF PANCREATIC CELLS
-ENDOCRINE FUNCTION: SECRETES HORMONES |
|
|
Term
SMALL INTESTINE:
PANCREATIC DIGESTIVE ENZYMES (CARBOHYDRATE HYDROLYSIS) |
|
Definition
-CARBOHYDRATE HYDROLYSIS
PANCREATIC AMALASE
*BREAKS DOWN STARCH |
|
|
Term
SMALL INTESTINE:
PANCREATIC DIGESTIVE ENZYMES
(PROTEIN HYDROLYSIS) |
|
Definition
-PROTEIN HYDROLYSIS
TRYPSIN
CHYMOTRYPSIN
ELASTASE
CARBOXYPEPTIDASE
*BREAK DOWN PROTEIN |
|
|
Term
SMALL INTESTINE:
PANCREATIC DIGESTIVE ENZYMES
(NUCLEOTIDE HYDROLYSIS) |
|
Definition
-NUCLEOTIDE HYDROLYSIS
DEOXYRIBONUCLEOTIDASE
*BREAKS DOWN DNA
RIBONUCLEASE
*BREAKS DOWN RNA |
|
|
Term
SMALL INTESTINE:
PANCREATIC DIGESTIVE ENZYMES
(LIPID HYDROLYSIS) |
|
Definition
-LIPID HYDROLYSIS
PANCREATIC LIPASE
*BREAKS DOWN TRIGLYCERIDES |
|
|
Term
|
Definition
-LIVER: HEPATOCYTES SECRETE BILE
-GALLBLADDER: STORES, CONCENTRATES, EJECTS BILE
-BILE DERIVED FROM CHOLESTEROL
-BILE REQUIRED FOR EMULSIFICATION OF LIPIDS |
|
|
Term
SMALL INTESTINE:
BILE (EMULSIFICATION) |
|
Definition
-BREAKDOWN OF LG. GLOBULES INTO SMALLER, UNIFORMLY DISTRIBUTED PARTICLES
-TRIGLYCERIDES HYDROPHOBIC, POOL INTO LG. GLOBULES RATHER THAN DISSOLVE IN WATER
-LIPASES ARE WATER SOLUBLE AND BREAK DOWN TRIGLYCERIDES
-TRIGLYCERIDES CAN BE HYDROLYZED IF A LOT OF SURFACE AREA IS EXPOSED TO WATER |
|
|
Term
SMALL INTESTINE:
ABSORPTION (INCREASED SURFACE AREA) |
|
Definition
-CIRCULAR FOLDS (PERMANENT RIDGES)
-VILLI (FINGERLIKE PROJECTIONS OF MUCOSA)
CONTAINS:
ARTERIOLE
VENULE
BLOOD CAPILLARIES
LACTEAL
-MICROVILLI: (BRUSH BORDER) |
|
|
Term
SMALL INTESTINE:
ABSORPTION (BLOOD CAPILLARIES) |
|
Definition
-ABSORBS NUTRIENT MONOMERS
-PASSES THRU HEPATIC PORTAL VEIN AND HEPATIC SUNISOID
-LIVER ADJUSTS BLOOD NUTRIENT LEVEL |
|
|
Term
SMALL INTESTINE:
ABSORPTION (LACTEALS) |
|
Definition
-LYMPHATIC CAPILLARY
-ABSORBS CHYLOMICRONS
-LYMPH RETURNS TO BLOOD AT SUBCLAVIAN VEINS |
|
|
Term
LARGE INTESTINE:
FUNCTIONS OF DIGESTIVE SYSTEM THAT OCCUR IN LG. INTESTINE |
|
Definition
-MECHANICAL DIGESTION
-CHEMICAL DIGESTION
-ABSORPTION
-ELIMINATION |
|
|
Term
LARGE INTESTINE:
MECHANICAL DIGESTION |
|
Definition
-HAUSTRAL CHURNING
*HAUSTRA= POCKETS FOUND ALONG LENGTH
OF LG. INTESTINE
*SEGMENTATION ON HAUSTRA
-MASS PERISTALSIS
*BRIEF FORCIBLE PERISTALTIC
MOVEMENTS |
|
|
Term
LARGE INTESTINE:
CHEMICAL DIGESTION |
|
Definition
-BACTERIAL METABOLISM
*BACTERIA ESP E. COLI RESPONSIBLE
FOR THE METABOLIC REACTIONS THAT
HAPPEN IN LG. INTESTINE
*BACTERIA PRODUCE VIT. B12 & VIT K. |
|
|
Term
LARGE INTESTINE:
ABSORPTION |
|
Definition
-VERY LITTLE ABSORPTION OCCURS
-MOSTLY WATER AND PRODUCTS OF BACTERIAL METABOLISM |
|
|
Term
LARGE INTESTINE:
ELIMINATION |
|
Definition
-DEFECATION REFLUX
-RECTAL STRETCHING DUE TO INCREASED VOLUME OF FECAL MATERIAL TRIGGERS DEFECATION
-FECES EXPELLED |
|
|
Term
LARGE INTESTINE:
NORMAL FLORA |
|
Definition
-IMMUNITY
*NORMAL FLORA REDUCE ATTACHMENT OF
PATHOGENS
-FLATULENCE
*BACTERIA FERMENT CARBS THAT REACH
LG INTESTINE
*GAS BUILDS UP AND IS RELEASED THRU
FLATULENCE |
|
|
Term
|
Definition
-CONTAINS 2 SPHINCTERS
*INTERNAL ANAL SPHINCTER
-SMOOTH MUSCLE, INVOLUNTARY CONTROL
*EXTERNAL ANAL SPHINCTER
-SKELETAL MUSCLE, VOLUNTARY CONTROL |
|
|
