Question | Answer |
absorption | the passage of substances across and into tissues,such as the passage of digested food molecules into intestinal cells or the passage of liquids into kidney tubles |
cholelithiasis | abnormal presence of gallstones in the gallbladder |
cecum | a cul-de-sac containing the first past of the large intestine. it joint the ileum,the last segment of the small intestine |
cardiac sphincter | the muscular ring(sphincter)in the stomach that controls the passage of food from the esophagus into the stomach;also known as the lower esophageal sphincter |
canine tooth | any one of the four teeth,two in each jaw,situated immediately lateral to the incisor teeth in the human dental arches;also known as cuoid tooth |
bowel | the portion of the alimentary canal extending from the pyloric opening of the stomach to the anus |
bilrubin | the orange-yellow pigment of bile,formed principally by the breakdown of hemoglobin in red blood cells after termination of their normal life span |
bile | a bitter,yellow-green secretion of the liver |
bicuspid tooth | one of the two teeth between the molars & canines of the upper & lower jaw,the bicuspid teeth have a flat surface with multiple projections(cups)for crushing & grinding food;premolar tooth |
sacitic fluid | a watery fluid containing albumin,glucose,& electrolytes that accumulates in the peritoneal cavity in association with certain disease conditions such as liver disease |
anus | the opening through which the solid wastes(feces)are eliminated from the body |
amylase | an enzyme that breaks down starch into smaller carbohydrate molecules |
alimentary canal | a musculomembranous tube,about 30 ft long,extending from the mouth to the anus & lined with mucous membrane. also called the digestive tract or the gastrointestinal tract |
enzyme | a protein produced by living cells that catalyzes chemical reactions in organic matter |
endocrine gland | a gland that secretes its enzymes directly into the blood capillaries instead of being transported by way of ducts |
enamel | a hard,white substance that covers the dentin of the crown of a tooth. is the hardest substance in the body |
emulsify | the disperse a liquid into another liquid,making a colloidal suspension |
duodenum | the 1 portion of the small intestine. is the shortest,widest & most fixed portion of the small intestine-taking an almost circular course from the pyloric valve of the stomach so that its termination is close to its starting point |
digestive tract | a musculomembranous tube,about 30 ft long,extending from the mouth to the anus & lined with mucous membrane. also called the digestive tract or the gastrointestinal tract |
digestion | the process of altering the chemical and physical composition of food so that it can be used by the body cells, this occurs in the digestive tract |
dieitian | an allied health professional trained to plan nutrition programs for sick as well as healthy people.this may involve planning meals for a hospital or large organization or individual diet counseling with patients |
dentin | the chief material of teeth surrounding the pulp and situated inside of the enamel and cementum |
deglutition | swallowing |
defecation | the act of expelling forces from the rectum through the anus |
deciduous teeth | the first set or primarily teeth;baby teeth |
cuspid tooth | any one of the four teeth,two in each jaw,situated immediately lateral to the incisor teeth in the human dental arches;also known as cupid tooth |
crown | the part of the tooth that is visible above the gum line |
comomon bile duct | the duct formed by the joining of the cystic duct and hepatic duct |
colon | the portion of the large intestine extending from the cecum to the rectum |
chyme | the liquidlike material of partially digested food and digestive secretions found in the stomach just before it is released into the duodenum |
lower GI tract | the lower portion of the gastrointestinal tract consisting of the small and large intestines |
glycogensis | the conversion of simple sugar into a complex form of sugar for storage in the liver |
glycogen | a complex sugar that is the major carbohydrate stored in animal cells. it is formed from glucose and stored chiefly in the liver and to a lesser extent in muscle cells |
glucose | a simple sugar found in certain foods,especially fruits and major source of energy occurring in human and animal body fluids |
glucagon | a hormone produced by the alpha cells of the pancreas that stimulates the liver to convert glycogen into glucose when the blood sugar level is dangerously low |
gingivae | gum tissue |
gavage | a procedure in which liquid or semi liquid food is introduced into the stomach through a tube |
gastrointestinal tract | a musculomembranous tube,about 30 ft long,extending from the mouth to the anus & lined with mucous membrane. also called the digestive tract or the gastrointestinal tract |
gastroenterologist | a medical doctor who specializes in the study of the study of the diseases and disorders affecting the gastrointestinal tract |
gallbladder | a pear shaped excretory sac lodged in a fossa on the visceral surface of the lobe of the liver |
feces | waste or excrement from the digestive tract that is formed in the intestine and expelled through the rectum |
fatty acids | any of several organic acids produced by the hydrolysis of neutral fats |
exocrine gland | a gland that secretes its enzymes into a network of tiny ducts that transport it to the surface of an organ or tissue or into a vessel |
esophagus | a muscular canal about 24 cm long extending from the pharynx to the stomach |
lower GI tract | the lower portion of the gastrointestinal tract containing of the small and large intestines |
lower esophageal sphincter | the muscular ring(sphincter)in the stomach that controls the passage of food from the esophagus into the stomach;also known as the lower esophageal sphincter |
liver | the largest gland of the body and one of its most complex organs |
lipase | an enzyme that aids in the digestion of fats |
lavage | the process of irrigating (washing out)an organ-usually the bladder,bowel,paranasl sinuses, or stomach-for therapeutic purposes |
jejunum | the intermediate or middle of the 3 portion of the small intestine,connecting proximally with the deodenum and distally with the ileum |
insulin | a naturally occurring hormone secreted by the beta cells of the islets of langerhans in the pancreas in response to increased levels of glucose in the blood |
incisor | one of the 8 front teeth,4 in each dental arch,that first appear as primarily teeth during infancy are replaced by permanent incisors during childhood and last until old age |
ileum | the distal portion of the small intestine extending from the jejunum to the cecum |
hydrochloric acid | a compound consisting of hydrogen and chlorine |
hepatocyte | liver cell |
glycogenolysis | the breakdown of glycogen into glucose by the liver,releasing it back into the circulating blood in response to a very low blood sugar level |
pharynx | the throat;a tubular structure about 12 cm long that extends from the base of the skull to the esophagus and is situated just in front of the cervical vertebrae |
permanent teeth | the full set of teeth -32 teeth--that replace the deciduous or temporary teeth |
peritonitis | inflammation of the peritoneum |
peritoneum | a specific serous membrane that covers the entire abdominal wall of the body and is reflected over the contained viscera |
peristalsis | the coordinated,rhythmic,serial contraction of smooth muscle that forces food through the digestive tract,bile through the bile duct and urine through the uterus |
parotid gland | one of the largest pairs of salivary glands that lie at the side of the face just below and in front of the external ear |
papillae | a small,nipple shaped projection that extend from collagen fibers,the capillary blood vessels,and sometimes the nerves of the dermis |
pancreas | an elongated organ approximately 6 to 9 inches long,located in the upper left quad.of the abdomen that secretes various substances such as digestive enzymes,insulin and glucagon |
palate | a structure that forms the roof of the mouth |
oropharynx | the section of the pharynx leading away from the oral cavity |
nutitionsit | an allied health professional who studies and applies the principles and science of nutrition |
molar tooth | any of 12 molar teeth,6 in each dental arch,located posterior to the premolar teeth.the molar teeth have a flat surface with multiple projections for crushing and grinding food |
mcburneys point | a point on the right side of the abdomen,about 2-3s of the distance between the umbilicus and the anterior bony prominence of the hip |
masticiation | chewing,tearing or grinding food with the teeth while it becomes mixed with saliva |
villi | one of the many tiny projections barely visible to the naked eye clustered over the entire mucous surface of the small intestine |
uvula | the small,cone shaped process suspended in the mouth from the middle of the posterior border of the soft palate |
upper GI tract | the upper part of the gastrointestinal tract consisting of the mouth,pharynx,esophagus and stomach |
triglycerides | a compound consisting of a fatty acid and glycerol |
stomach | the major organ of digestion located in the upper left quad.of the abdomen and divided into a body and pylorus |
sphincter | a circular band of muscle fibers that constricts a passage or closes a natural opening in the body |
sigmond colon | the portion of the colon that extends from the end of the descending colon in the pelvis to the junction of the rectum |
secondary teeth | the full set of teeth -32 teeth--that replace the deciduous or temporary teeth |
salivary glands | one of the three pairs of glands secreting into the mouth thus aiding the digestive process |