Language of Medicine - Chapter 5 + 6 Flashcards
Digestive System
define the cheeks
form the walls of the oral cavity
define the lips
surround opening to the oral cavity
define the hard palate
forms the anterior portion of the roof of the mouth
define the soft palate
lies posteriorly to the hard palate
define rugae
irregular ridges in mucous membrane covering the hard palate
define uvula
small soft tissue projection, hangs from the soft palate
aids in producing sounds + speech
define tongue
extends across the floor of oral cavity + muscles attach to the lower jawbone
define mastication
chewing
define deglutition
swallowing
define papillae
small raised areas on the tongue, contain taste buds that are sensitive to nature of foods
define tonsils
masses of lymphatic tissue located in the depressions of mucous membranes, act as filters to protect the body from invasion
define gums
fleshy tissue surrounding sockets of teeth
define teeth
16 permanent teeth - (32 permanent teeth in entire mouth)
define crown
above gum line
define root
lies within bony socket
define enamel
protects tooth
define dentin
main substance of tooth, lies beneath enamel
define cementum
covers, protects, supports the dentin in the root
define periodontal membrane
surrounds cementum and holds tooth in place in socket
define pulp
lies underneath dentin
define salivary glands
3 pairs: parotid, submandibular, sublingual all produce saliva which lubricates the mouth
define pharynx
aka as throat
serves as a passage way for air + food
define esophagus
allows food to travel through
define epiglottis
covers trachea so cool cannot enter
