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Published byMilton Lambert Modified over 9 years ago
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DIGESTIVE SYSTEM`
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DIGESTIVE PROCESSES INGESTION MOVING FOOD ALONG GI TRACT MECHANICAL PREPARATION FOR DIGESTION CHEMICAL DIGESTION ABSORPTION ELIMINATION
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EMBRYONIC DEVELOPMENT ECTODERM FOREGUT HINDGUT MIDGUT STOMODEUM PROCTODEUM
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DERIVATIVES OF DIGESTIVE SYSTEM GI TRACT THYROID PARATHYROID SALIVARY GLANDS LIVER GALLBLADDER PANCREAS
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DIGESTIVE ANATOMY MUCOUS MEMBRANE
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MUCOUS MEMBRANES
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ORGANS ORAL CAVITY PHARYNX ESOPHAGUS STOMACH SMALL INTESTINE LARGE INTESTINE
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MOUTH HARD PALATE SOFT PALATE UVULA GLOSSOPALATINE ARCHES PARYNGOPALATINE ARCHES FAUCES
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ORAL VESTIBULE
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LIPS
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HARD AND SOFT PALATE
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OROPHARYNX
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TONGUE FLOOR OF MOUTH EXTRINSIC MUSCLES INTRINSIC MUSCLE PAPILLAE
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FILIFORM FUNGIFORM VALLATE TASTE BUDS FOUND ON FUNGIFORM AND VALLATE
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FILIFORM PAPILLAE
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FUNGIFORM PAPILLAE
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VALLATE PAPILLAE
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LINGUAL TONSILS FORMS POSTERIOR DORSAL SURFACE LYMPH NODULES
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LINGUAL FRENULUM CONNECTS TONGUE VENTRALLY
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TEETH GOMPHOSES IN ALVEOLI GINGIVIVAE STRATIFIED SQUAMOUS EPITHELIUM PERIDONTAL LIGAMENT
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ANATOMY OF THE TOOTH DENTIN COVERED BY ENAMEL ANCHORED TO PERIDONAL LIGAMENT BY CEMENTUM
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PARTS OF TOOTH CROWN NECK ROOT PULP CAVITY ROOT CANAL APICAL FORAMEN
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TYPES OF TEETH INCISORS CUSPIDS BICUSPIDS MOLARS
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DECIDIOUS TEETH 20 TEETH COME AT REGULAR INTERVALS START AT SIX MONTHS USUALLY ALL IN BY 2 1/2 YEARS
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PERMANENT TEETH 32 TEETH APPEAR AT ABOUT 6 YEARS STOPS AT ABOUT 17 YEARS SOMETIME BETWEEN 17 AND 25 WISDOM TEETH MAY COME IN
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SALIVARY GLANDS BUCCAL GLANDS PAROTID GLANDS SUBMANDIBULAR GLANDS SUBLINGUAL GLANDS
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PAROTID GLAND
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SUBMANDIBULAR GLAND
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SUBLINGUAL SALIVARY GLANDS
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PHARYNX NASOPHARYNX OROPHARYNX LARYNGOPHARYNX
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MESENTERIES
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LAYERS OF THE GASTROINTESTINAL WALL FOUR LAYERS TUNICA MUSOSA TUNICA SUBMUCOSA TUNICA MUSCULARIS TUNICA SEROSA OR ADVENTITIA
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TUNICA MUCOSA EPITHELIAL LAYER LAMINA PROPIRA MUSCULARIS MUCOSAE
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EPITHELIAL LAYER STRATIFIED SQUAMOUS IN MOUTH ESOPHAGUS AND ANUS REST IS SIMPLE COLUMNAR
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LAMINA PROPIRA LOOSE CONNECTIVE TISSUE CONTAINS BLOOD VESSELS, LYMPH NODULES AND SMALL GLANDS PHARYNX -- TONSILS SMALL INTESTINE -- PEYERS PATCHES APPENDIX -- LYMPH NODULES
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MUSCULARIS MUCOSAE
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TUNICA SUBMUCOSA THICK LAYER OF EITHER DENSE OR LOOSE CONNECTIVE TISSUE CONTAINS BLOOD VESSELS, LYMPHATIC VESSELS, NERVES, AND SOMETIMES GLANDS
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TUNICA MUSCULARIS DOUBLE LAYER OF MUSCLE IN MOST AREAS INNER LAYER ARRANGED CIRCULARLY OUTER LAYER ARRANGED LONGITUDINALLY THICKENED AREAS OF INNER LAYER FORMS SPHINCTERS
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MUSCLES FOUND IN MUSCULARIS SKELETAL --- UPPER PART OF ESOPHAGUS AND EXTERNAL ANAL SPHINCTER SMOOTH -- REST OF TRACT
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TUNICA SEROSA OR ADVENTITIA OUTER MOST TUNIC CONNECTIVE TISSUE ESOPHAGUS -- ADVENTITIA ABDOMINAL CAVITY COMPONENTS- -- SEROSA
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NERVE PLEXUSES AND REFLEX PATHWAYS SUBMUCOSAL PLEXUS --TUNICA SUBMUCOSA MYENTERIC PLEXUS --BETWEEN CIRCULAR AND LONGITUDINAL LAYERS OF TUNICA MUSCLUARIS SUBSEROUS PLEXUS -- TUNICA SEROSA COORDINATE MUCH OF ACTIVITY OF GI TRACT
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GANGLIA FOUND IN GI TRACT AUERBACH’S/MYENTERIC PLEXUS –AUTONOMIC GANGLIA ARE FOUND IN THE TUNICA MUSCULARIS MEISSNER’S/SUBMUCOSAL PLEXUS –AUTONOMIC GANGLIA FOUND IN TUNICA SUBMUCOSA
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REFLEX PATHWAYS SHORT REFLEXES LONG REFLEXES
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SHORT REFLEXES SIGNALS ORIGINATE FROM RECEPTORS IN WALL OF GI TRACT TRANSMITTED BY INTRINSIC NERVE PLEXUS TO EFFECTOR CELLS ALL ELEMENTS ARE FOUND IN WALL OF GI TRACT
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LONG REFLEXES SIGNALS ORIGINATE IN RECEPTORS IN GI TRACT TRANSMITTED BY AFFERENT NEURONS TO CNS AUTONOMIC NEURONS (VAGUS) CARRY CNS INPUT TO INTRINSIC NERVE PLEXUSES AND EFFECTOR CELLS
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ESOPHAGUS LONG MUSCULAR TUBE POSTERIOR TO TRACHEA PASSES THROUGH MEDIASTINUM PASSES THROUGH ESOPHAGEAL HIATUS PERISTALSIS MOVES FOOD THROUGH
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STOMACH LEFT OF MID PLANE BLOW DIAPHRAGM CARIDAC ORIFICE PYLORIC SPHINCTER
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ANATOMY OF STOMACH LESSER CURVATURE GREATER CURVATURE LESSER OMENTUM GREATER OMENTUM FUNDUS BODY PYLORIC REGION PYLORIC ANTRUM AND CANAL RUGAE
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STOMACH RUGAE
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PYLORIC SPHINCTER
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MODIFICATIONS OF STOMACH MUCOSA GASTRIC GLANDS IN LAMINA PROPIRA GASTRIC PITS
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TRANSITION FROM STOMACH TO DUODENUM
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TYPES OF GLANDS FUNDIC GLANDS GASTRIC GLANDS PROPER CARDIAC GLANDS PYLORIC GLANDS ENTEROENDOCRINE CELLS
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FUNDIC AND GASTRIC GLANDS PROPER MUCOUS NECK CELLS PARIETAL (OXYNTIC ) CELLS ZYMOGENIC (CHIEF) CELLS
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PARIETAL AND CHIEF CELLS
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MUCOUS NECK CELLS SECRETE MUCOUS LOCATED NEAR GASTRIC PITS
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PARIETAL CELLS OXYNTIC CELLS SECRETES HCL
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ZYMOGENIC CELLS CHIEF CELLS SECRETES PEPSINOGEN
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CHIEF CELLS
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CARDIAC AND PYLORIC GLANDS SECRETE MAINLY MUCOUS
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ENTEROENDOCRINE CELLS GASTRIN SEROTONIN HISTAMINE
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MODIFICATIONS OF TUNICA MUSCULARIS OBLIQUE MUSCLE LAYER ALLOWS STRONG CONTRACTIONS TO MIX FOOD WITH DIGESTIVE ENZYMES
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SMALL INTESTINES LONGEST PORTION OF GI TRACT 6 METERS LONG MOST CONVOLUTED LINED WITH SIMPLE COLUMNAR EPITHELIUM SPECIALIZED TO ABSORB NUTRIENTS WHERE MOST ABSORPTION OCCURS
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REGIONS OF SMALL INTESTINE DUODENUM JEJUNUM ILEUM
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DUODENUM HEPATOPANCREATIC AMPULLA (AMPULLA OF VATER) DUODENAL PAPILLA HEPATOPANCREATIC SPHINCTER (SPHINCTER OF ODDI) DUODENUM IS RETROPERITONEAL 25 CM
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SUBMUCOSA OF DUODENUM
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TUNICA MUSCULARIS OF THE DUODENUM
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DUODENOJEJUNAL JUNCTION
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JEJUNUM 2.5 METERS SUSPENDED BY MESENTERY
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ILEUM 3.5 METERS ILEOCECAL VALVE ILEOCECAL SPHINCTER SUSPENDED BY MESENTERY
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ILEUM
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MODIFICATIONS OF THE SMALL INTESTINE WALL OCCUR IN TUNICA MUCOSA AND TUNICA SUBMUCOSA PLICAE CIRCULARES VILLI
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PLICAE CIRCULARES CIRCULAR SHELF LIKE FOLDS INCREASE SURFACE AREA HELP MIX FOOD WITH ENZYMES
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VILLI MUCOSAL PROJECTIONS INTO LUMEN COVERED BY SIMPLE COLUMNAR EPITHELIUM CONTAINS A LYMPHATIC CAPILLARY CALLED A LACTEAL
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DISTENDED LACTEALS
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EPITHELIAL CELLS THAT COVER THE VILLI GOBLET CELLS --- MUCUS ABSORPTIVE CELLS --- ABSORPTION AND DIGESTION ENTEROENDOCRINE CELLS -- IN DUODENUM--CCK, SECRETIN AND OTHERS
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ENTEROENDOCRINE CELLS
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INTESTINAL GLANDS CRYPTS OF LIEBERKUHN BETWEEN BASES OF VILLI
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PANETH CELLS NOT ENTEROENDOCRINE SECRETE ANTIBACTERIAL PRODUCTS
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PEYER’S PATCHES IN SUBMUCOSA AGGREGATION OF LYMPHATIC NODULES
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LARGE INTESTINE 1.5 M LONG EXTENDS FROM ILEOCECAL VALVE TO ANUS NAMED FOR DIAMETER SIMPLE COLUMNAR EPITHELIUM MICROVILLI ABSORPTIVE AND GOBLET CELLS FEW ENZYMES PRODUCED
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ANATOMY OF THE LARGE INTESTINE CECUM VERIFORM APPENDIX ASCENDING COLON RIGHT COLIC (HEPATIC) FLEXURE TRANSVERSE COLON LEFT COLIC (SPLENIC FLEXURE) DESCENDING COLON SIGMOID COLON RECTUM ANUS
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CECUM BLIND POUCH RECEIVES THE CONTENTS OF THE ILEUM
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TYPICAL HISTOLOGY OF THE COLON
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VERIFORM APPENDIX NARROW BLIND TUBE EXTENDS DOWNWARD FROM CECUM NUMEROUS LYMPHATIC NODULES
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ASCENDING COLON EXTENDS UPWARD TIGHTLY ATTACHED TO POSTERIOR WALL OF ABDOMEN RETROPERITONEAL
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RIGHT COLIC FLEXURE HEPATIC FLEXURE JUST BELOW LIVER BENDS TO THE LEFT
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TRANSVERSE COLON PASSES ACROSS ABDOMINAL CAVITY SUPENDED BY MESOCOLON
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LEFT COLIC FLEXURE SPLENIC FLEXURE BENDS DOWNWARD
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DESCENDING COLON RETROPERITONEAL DESCENDS TO LEFT PELVIC BRIM
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SIGMOID COLON CURVES TO MIDPLANE TO FORM AN S SHAPED SIGMOID COLON
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TUNICS OF THE COLON
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TUNICA MUCOSA INTESTINAL GLANDS MUCOUS CELLS NO VILLI PLICAE SEMILUNARE (SEMILUNAR FOLDS)
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TUNICA MUSCULARIS TAENIAE COLI 3 BANDS OF SMOOTH MUSCLE RUNS LENGTH OF COLON FORMS POUCHES CALLED HAUSTRA
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EPIPLOIC APPENDAGES FAT FILLED FOLDS OF PERITONEUM
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HAUSTRA
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RECTUM IN FRONT OF SACRUM SAME STRUCTURE AS COLON EXCEPT NO TAENIAE COLI FEMALE
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MALE RECTUM
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ANAL-RECTAL JUNCTION
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MUCOUS CUTANEOUS JUNCTIONS
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ANAL CANAL LAST 3-4 CM OF COLON BELOW PELVIC DIAPHRAGM NOT IN ABDOMINOPELVIC CAVITY MALE ANAL CANAL
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ANATOMY OF ANAL CANAL ANAL COLUMNS ANAL SINUSES ANAL VALVES INTERNAL AND EXTERNAL ANAL SPHINCTERS
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INTERNAL ANAL SPHINCTER SMOOTH MUSCLE
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EXTERNAL ANAL SPHINCTER SKELETAL MUSCLE FEMALE
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ACCESSORY DIGESTIVE ORGANS LOCATED OUTSIDE THE GI TRACT IMPORTANT FOR DIGESTION OF FOOD CARRIED BY DUCTS DERIVED FROM ENDODERM ALSO
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PANCREAS EXOCRINE AND ENDOCRINE GLAND RETROPERITONEAL HEAD BODY TAIL
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HEAD OF PANCREAS
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BODY OF PANCREAS
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TAIL OF PANCREAS
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MICROSCOPIC ANATOMY RESEMBLE SALIVARY GLANDS ACINI SINGLE SET OF PYRAMIDAL CELLS ACTIVELY SECRETE ZYMOGEN GRANULES INACTIVE DIGESTIVE ENZYMES
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PANCREATIC SECRETIONS HORMONES PANCREATIC JUICE
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PANCREATIC SECRETIONS EXOCRINE
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TRANSPORT TO GI TRACT PANCREATIC DUCT (DUCT OF WIRSUNG) COMMON BILE DUCT ACCESSORY PANCREATIC DUCT (DUCT OF SANTORINI)
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ENDOCRINE SECRETIONS ISLETS OF LANGERHAN EXOCYTOSIS DIFFUSION INTO BLOOD STREAM
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HEAD OF PANCREAS
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PANCREAS
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AUTONOMIC GANGLION IN PANCREAS
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ISLETS OF LANGERHANS
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PANCREATIC ACINI
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LIVER LARGE ORGAN MANY IMPORTANT FUNCTIONS
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CAUDATE LOBE
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QUADRATE LOBE
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LEFT LOBE
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RIGHT LOBE
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FALCIFORM LIGAMENT
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LIGAMENTUM TERES
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CORONARY LIGAMENT
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LIGAMENTUM VENOSUM
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BARE AREA
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LESSER OMENTUM ATTACHES IT TO STOMACH
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BLOOD SUPPLY TWO BLOOD SUPPLIES 1500 ML OF BLOOD PER MINUTE HEPATIC PORTAL VEIN SYSTEMIC CIRCULATION
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SYSTEMATIC BLOOD SUPPLY 400 ML IN HEPATIC ARTERY BRANCHES OFF AORTA OXYGENATED BLOOD
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HEPATIC ARTERY
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HEPATIC PORTAL VEIN VENOUS BLOOD DEOXYGENATED NUTRIENT RICH BLOOD FROM DIGESTIVE TRACT, PANCREAS AND SPLEEN 1100 ML PER MINUTE
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HEPATIC PORTAL VEIN
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UNIQUENESS OF HEPATIC CIRCULATION BOTH SYSTEMIC ARTERIE AND HEPATIC PORTAL VEIN EMPTY INTO SAME SINUSOIDS MEANS THERE IS A MIXTURE OF ARTERIAL AND VENOUS BLOOD EMPTY INTO HEPATIC VEIN AND INTO INFERIOR VENA CAVA
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STRUCTURE OF THE LIVER
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LIVER CORDS OR PLATES MADE UP OF ROWS OR SHEETS OF HEPATOCYTES
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LIVER LOBULES TINY HEXAGONAL COMPARTMENTS
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LIVER LOBULES
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PORTAL CANALS PORTA HEPATIS
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HEPATIC TRIAD
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CLASSIC LOBULE
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CENTRAL VEIN
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LIVER STROMA
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HEPATOCYTE
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LIVER SINUSOIDS LINED WITH ENDOTHELIUM HIGHLY PERMEABLE
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PERISINUSOIDAL SPACE SPACE OF DISSE SEPARATES THE ENDOTHIAL LINING FROM HEPATOCYTES MICROVILLI EXTEN INTO SPACE
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STELLATE MACROPHAGES KUPPFER CELLS EXTENSIONS EXTEND INTO SINUSOIDS ACTIVE PHAGOCYTES THAT REMOVE BACTERIA AND FOREIGN CELLS
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CELLS LINING SINUSOIDS
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BILE CANALICULI LOCATED BETWEEN HEPATOCYTES CARRY BILE TO BILE DUCTS LOCATED AT PERIPHERY OF LOBULES TRAVELS IN OPPOSITE DIRECTION OF BLOOD BILE DUCTS JOIN TOGETHER TO FORM HEPATIC DUCT
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GLYCOGEN IN THE LIVER
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GALL BLADDER SMALL SAC ON INFERIOR SURFACE OF LIVER COLUMNAR EPITHELIUM STORAGE SITE FOR BILE SERVICED BY CYSTIC DUCT
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HEPATOPANCREATIC SPHINCTER CONTROLS FATE OF BILE
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COMMON BILE DUCT HEPATIC DUCT AND CYSTIC DUCT
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GREATER DUODENAL PAPILLAE
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LESSER DUODENAL PAPILLAE
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COMMON BILE DUCT
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