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86 Cards in this Set
- Front
- Back
alimentary canal
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digestion and excretion
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mucous membrane (innermost layer of alimentary canal)
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inner most layer of alimentary canal, protects tissues beneath it, secretion, absorption
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submucosa (2nd innermost layer of alimentary canal)
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nourishes surrounding tissues and carries away absorbed materials
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muscular layer (alimentary canal)
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produces movements of the alimentary canal
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serous layer (outer covering alimentary canal)
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protects underlying tissues, secrets serous fluids
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peristalsis
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propels food down esophagus
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frenulum
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connects tongue to floor of mouth
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papillae
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provide friction, which helps handle food (on tongue)
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palate
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forms muscular arch in mouth
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uvula
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aids in swallowing
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lingual tonsils
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rounded masses on roof of tongue, protects body from infection
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palatine tonsils
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either side of tongue, near palate, protects from infection
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pharyngeal tonsils
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posterior wall of pharynx, helps protect body from infection
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permanent teeth
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incisors (front), cuspid (sharp), bicuspids (premolars), molars (fat)
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deciduous teeth
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teeth in primary years (baby teeth), to chew food
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amylase
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produced by serous cells in salivary glands, splits starch and glycogen molecules into disaccharides.
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mucus
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produced by mucus cells in salivary glands, binds food particles and lubricates during swallowing
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nasopharynx
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provides passageway for air during breathing
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oropharynx
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passageway for food moving downward in mouth, for air moving to and from nasal cavity
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laryngopharynx
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passageway to esophagus
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esophagus
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pushes food down to the cardiac region of stomach
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stomach
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mixes food w/ gastric juice, initiates protein digestion
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regions of stomach
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fundic (temporary storage), cardiac (connects esophagus to stomach), body (secretion of gastric juices), pyloric (connects stomach to duodenum)
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pyloric sphincter
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controls gastric emptying, pushes food into duodenum
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regurgitation
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in esophagus and stomach, rids body of poisoned food
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gastric glands
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in mucous membrane of stomach, secretes gastric fluids
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mucous cells
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in gastric gland, produces mucus
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chief cells
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in gastric gland, produces pepsinogen
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parietal cells
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in gastric gland, produces hydrochloric acid and intrinsic factor
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gastric fluid or juice
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produced by gastric glands,made up of pepsin, pepsinogen, hydrochloric acid, mucus, and intrinsic factor, digestive activities in stomach
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pepsin
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protein-splitting enzyme that digests all types of protiens
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pepsinogen
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an inactive form of pepsin
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intrinsic factor
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in gastric juice, aids in vitamin B12 absorption
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gastrin
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stimulates cell growth in the mucosa of stomach
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enterogastrone
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lower gastrointestinal tract, opposes the forward motion of chyme when exposed to lipids
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peptic ulcers
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in mucous membrane of stomach, breaks down localized tissue in stomach lining
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chyme
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in stomach, semifluid paste of food mixed with gastric juice
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peritoneum
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parietal- on body wall, secretes lubricating fluid, visceral- on organ, reduces friction
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peritoneal cavity
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formed by serous sac of peritoneum, houses abdominal organs
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omenta
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greater (greater curvature of stomach, insulates; lesser (lesser curvature of stomach) insulates
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mesentaries
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mesentary proper, (small intestines) supports s.i.;
mesocolon (large intestine) supports l.i. |
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spleen
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helps fight infections, removes unwanted materials from blood
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gastro-splenic ligament
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connects spleen to stomach
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liver
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excretes bile, breaks down toxic substances
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caudate lobe of liver
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breaks down toxic substances
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falciform ligament
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secures diaphragm to abdominal awll
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coronary ligament
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secures liver to diaphragm
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hepatic ducts
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drains bile from liver
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hepatic lobules
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functional unite of liver
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hepatic sinusoids
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vascular channels on liver, separate plate like groups of hepatic lobules
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bile
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secreted from hepatic cells, emulsify fats, help enzyme action
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gall bladder
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stores bile, reabsorbs water to concentrate bile
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cystic space
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houses gall bladder
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cystic duct
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transports bile from gall bladder
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common bile duct
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bile transportation
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cholecystokin
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in intestines, stimulates gall bladder to contract, decreases gastric motility
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emulsification
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in bile, in creases total surface area of the fatty substance
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pancreas
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secretes pancreatic juice
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pancreatic amylase
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in pancrease, carb-digesting enzyme that splits starch molecules into dissacharides
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pancreatic duct
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transports pancreatic juice
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pancreatic lipase
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in pancreas, fat-digesting enzyme that breaks triglyceride molecules into fatty acids and glycerol
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trypsin and Chymotrypsis
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in pancreas, protein-splitting enzyme that splits bonds between amino acids.
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Zymogen granules
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in pancrease, stores inactive forms of enzymes in cells
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trypsinogen
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in pancreas, inactive form of trypsin
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secretin
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in small intestine, stimulates pancreas to release pancreatic juice
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enterokinase
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mucosa of small intestines, activates trypsinogen into trypsin
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small intestine
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duodenum (recieves secretions of pancreas and liver), jejunum (" "), ileum (" ")
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Aselli's pancreas
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in mesentary proper, nodular mass of lymphatic tissue that recieves lymph, fights of disease
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intestinal villi
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inner wall of small intestines, increase surface area of intestinal lining
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Intestinal enzymes(small intestines): peptidase; sucrase, maltase, lactase; intestinal lipase
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splites peptides into amino acids, splits disaccharides into monosaccharides, splits fats into fatty acids and glycerol
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peristaltic rush
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in small intestines, rapid peristalsis
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ileocecal valve
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prevents food from going backwards into ileum
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large intestines OR colon
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ascending, transverse, descending, sigmoid: (maintains water balance)
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rectum
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stores waste prior to excretion
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cecum
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beginning of colon, serves as starting point for large intestines
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vermiform appendix
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no known digestive functions
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kidney-nephron
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in kidney; unit cell of kidney
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adrenal or supra-adrenal glands
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secretes cortisol, adrenal androgens, and aldosterone
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ureter
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brings urine to urinary bladder
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urinary bladder
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holds urine prior to excretion
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umbilical ligament
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supports urinary bladder
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urethra
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tube where urine is discharged
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cortex
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blood filtration
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pelvis
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channels urine to ureter
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papilla
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helps to channel urine
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medulla
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controls h2o and salt in urine
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