CH 5 + 6 Flashcards
Absorption
Passage of materials through the walls of the small intestine into the bloodstream
Amino Acids
Small building blocks of proteins, released when proteins are digested
Digestion
Breakdown of complex foods to simpler forms
Elimination
Removal of indigestible materials as feces
Enzymes
Chemical that speeds up a reaction between substances
Fatty Acids
Substances produced when fats are digested
Gastrointestinal
Pertaining to the stomach and intestines
Glucose
simple sugar; necessary as a source of energy for body cells
Triglycerides
Fat molecules composed of three parts fatty acids and one part glycerol; chief form of lipids
Buccal
Pertaining to the cheek
Canine
Pointed dog-like teeth next to the incisors
Cheeks
the fleshy portion of either side of the face
Crown
the portion of the tooth that is covered by enamel
Cementum
a specialized external bony layer covering the dentin of the part of a tooth normally within the gum
Deglutition
swallowing
Dentin
primary material found in teeth; surrounding the pulp and covered by enamel of the crown
Distal
Far from the point of attachment to the trunk of the body or far from the beginning of a structure
Enamel
Hard, outermost layer of a tooth
Facial
pertaining to the face
Gums
tissue of the upper and lower jaws that surrounds the base of the teeth
Hard Palate
front, bony part of the roof of the mouth
Incisal
pertaining to the incisor
Incisor
one of the four front teeth on either jaw
Lips
the upper or lower fleshy margin of the mouth
Mastication
chewing
Mesial
pertaining to the middle
Molar
Flat teeth in the back of the mouth on either side of the dental arch
Occlusal
pertaining to grinding or biting surface of a tooth
Papillae
small elevations on the surface of the tongue; containing taste buds
Parotid Gland
salivary gland that is situated on each side of the face below and in front of the ear
Periodontal Membrane
membrane that surrounds the tooth in the tooth socket
Premolar
two teeth before molars
Pulp
soft tissue with a tooth containing nerves and blood vessels
Root Canal
a treatment to repair and save a badly damaged or infected tooth instead of removing it
Rugae
Ridges on the hard palate and the wall of the stomach
Saliva
digestive juice produced by salivary glands
Salivary Glands
three pairs of exocrine glands secreting saliva into the mouth; parotid glands, sublingual glands, and submadibular glands.
Soft Palate
the back portion is muscular
Submandibular Gland
a salivary gland inside of and near the lower edge of the mandible on each side and discharging by Wharton’s duct into the mouth under the tongue
Tongue
A freely movable muscular organ that lies partly in the floor of the mouth and partly in the pharynx
Tonsils
masses of lymphatic tissue in the back of the oropharynx
Uvula
soft tissue hanging from the middle of the soft palate, at the back of the mouth.
Esophagus
tube that carries food from the pharynx to the stomach
Pharynx
throat
Throat
pharynx
Bolus
is a ball-like mixture of food and saliva that forms in the mouth during the process of chewing
Peristalsis
rhythmic contractions of the tubes of the gastrointestinal tract and other tubular structures
Stomach
muscular organ that receives food from the esophagus; composed of three main parts: fundus, body, and antrum
Antrum
Lower portion of stomach
Body
middle section of stomach
Fundus
upper portion of stomach
Hydrochloric Acid
substance produced in the stomach; aids digestion
Lower Esophageal Sphincter (Cardiac Sphincter)
ring of muscles between the esophagus and the stomach
Pepsin
a stomach enzyme that serves to digest proteins found in ingested food
Pyloric Sphincter
ring of muscles that surrounds the opening of the stomach to the duodenum
Rugae
Ridges on the hard palate and the wall of the tsomach
Sphincters
circular ring of muscle that constricts a passage or closes a natural opening
Bile
digestive juice made in the liver and stored in the gallbladder
Duodenum
first part of the small intestine
Gallbladder
small sac under the liver; stores bile
Ileum
third part of the small intestine
Jejunum
second part of the small intestine
Liver
large reddish-brown organ in the right upper quadrant of the abdomen
Pancreas
gland located under and behind the stomach
Small intestine (Small Bowel)
the part of the intestine that lies between the stomach and colon, consists of duodenum, jejunum, and ileum, secretes digestive enzymes, and is the chief site of the absorption of digested nutrients
Villi
microscopic projections in the wall. of the small intestine that absorb nutrients into the blood stream
Anus
opening of the rectum to the outside of the body
Appendix
small tube-like organ connected to the beginning of the large intestine (cecum. located in the RLQ of the abdomen
Ascending Colon
the part of the large intestine that extends from the cecum to the bend on the right side below the liver
Cecum
first part of the large intestine (colon)
Colon
large intestine
Defecation
eliminating of waste and undigested foods through the anus
Descending Colon
the part of the large intestine on the left side that extends from the bend below the spleen to the sigmoid colon
Feces
solid waste; stool
Rectum
last section of the large intestine
Sigmoid Colon
lower s-shaped section of the colon, just before the rectum
Transverse Colon
the part of the large intestine that extends across the abdominal cavity joining the ascending colon to the descending colon
Amylase
enzyme that digests starches into simpler substances such as sugar
Bilirubin
orange-yellow pigment found in bile. released from the breakdown of hemoglobin when red blood cells die
Common Bile Duct
tube carrying bile from the liver and gallbladder into the duodenum
Cystic Duct
A tube that carries bile from the gall bladder
Emulsification
breakdown of large fat globules into smaller, digestible particles
Glycogen
storage form of glucose (sugar); produces glucose when it is broken down in liver cells
Glycogenolysis
breakdown of glycogen to release sugar
Gluconeogenesis
process of producing the new sugar from fats and proteins; occurs mainly in the liver
Glucose
sugar