Tongue Flashcards
The tongue is a unique _____ structure located on the ______ of the _____
Muscular
Floor
Oral cavity
The average length of the tongue is about _____cm and width ____ cm
10
3
Functions of the tongue:
•Manipulates food for mastication
•Rolling of food to aid swallowing process
•Sensation(taste buds)
•Phonetic articulation
Name the regions of the tongue:
Apex
Body
Root
The apex of the tongue is a ____ and _____ _____end(or tip) directed forward against the _______ surfaces of the ______ teeth.
Thin
Narrow
Anterior
Lingual
Incisor
The body of the tongue is the ______ of the tongue.
Anterior two third
Root of the tongue is directed _______ (______) and connected with the _____ , ______ and ______
Posteriorly
Posterior third
Hyoid bone
Epiglottis
Oropharynx
The body and apex of the tongue is extremely _____ while the root is ____.
Mobile
Fixed
The _____ and _____ of the tongue is extremely mobile while the _____ is fixed.
Body
Apex
Root
How many surfaces does the tongue have? Name them
Two
Ventral surface
Dorsal surface
The ventral surface is the ____ surface in contact with the _____ of the mouth and can be elevated by a distinct ____ cold called the ______.
Smooth
Floor
Vertical
FRENULUM LINGUAE
Role of frenulum linguae:
Allows the anterior part of the tongue to move freely.
The Dorsal surface of the tongue is the ____ _____ surface marked by a _____ which divides it into _______ halves.
Superior
Rough
MEDIAN SULCUS
Symmetrical
Dorsum of the tongue is characterized by a ____ shaped groove called ____ which is a _____ groove. The angle of which runs ____ wards from the median ______(___).
V
TERMINAL SULCUS
Shallow
Lateral
FORAMEN CAECUM(pit)
Explain the foramen caecum:
It is the non-functional remnant of the embryonic thyroglossal duct where the thyroid gland descended from.
The _______ divides the dorsum of the tongue in to anterior part in the ______ and the posterior part in the _____.
Terminal sulcus
Oral cavity proper
Oropharynx
The dorsum of the anterior 2/3rd contains ______.
PAPILLAE
Define papillae:
Small numerous projections
The posterior 1/3rd of the dorsum contains ____
Tonsil
Tonsil are ___ shaped masses of ______ which gives the posterior third of the dorsum an ______ appearance known as _____
Oval
Lymphoid nodule
Irregular cobble stone
Lingual tonsil
Papillae of the tongue can be defined as ______/_____ or ______ of _____ membrane.
Elevations
Projections
Folds
Mucous
Papillae are distributed over the ______ part of the dorsum of the tongue giving its surface a characteristic ______
Anterior
Roughness
A large number of papillae contain _____ which are receptors used in detecting ____ perception; namely(4)
Taste buds
Taste
Salty, sour, bitter and sweet
Types of papillae on the tongue:
Circumvallate papillae
Folate papillae
Filiform papillae
Fungiform papillae