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Head and Neck
Anatomy and Physiology
19
Medical
Professional
01/10/2014

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Term
inion
Definition
The most prominent projecting point of the occipital bone at the base of the skull
Term
nasion
Definition
The point in the skull where the nasal and frontal bones unite
Term
preauricular points
Definition
a point of the posterior root of the zygomatic arch lying immediately in front of the upper end of the tragus
Term
mandible
Definition
the horseshoe-shaped bone forming the lower jaw, articulating with the skull at the temporomandibular joint
Term
mastoid process
Definition
the conical projection at the base of the mastoid portion of the temporal bone
Term
maxilla
Definition
the irregularly shaped bone that with its fellow forms the upper jaw
Term
masseter muscle
Definition
masticatory muscle of posterior cheek
Term
temporalis muscle
Definition
It arises in a fan-shaped pattern from the squama of the temporal bone and courses downward to insert along the anterior border of the ramus of the mandible. It is a major closing muscle of the jaw
Term
temporomandibular joint
Definition
ormed by the head of the mandible and the mandibular fossa, and the articular tubercle of the temporal bone.
Term
esophagus
Definition
musculomembranous passage extending from the pharynx to the stomach
Term
tongue
Definition
mobile mass of muscular tissue that is covered with mucous membrane, occupies much of the cavity of the mouth, forms part of its floor, bears the organ of taste, and assists in chewing, swallowing, and speech
Term
hard palate
Definition
the anterior portion of the palate, separating the oral and nasal cavities, consisting of the bony framework and covering membranes.
Term
soft palate
Definition
the fleshy part of the palate, extending from the posterior edge of the hard palate; the uvula projects from its free inferior border.
Term
adenoids
Definition
A lymphoid tissue growth located at the back of the nose in the upper part of the throat that when swollen may obstruct normal breathing and make speech difficult.
Term
uvula
Definition
small conical pendent fleshy mass of tissue
Term
cornea
Definition
the transparent anterior part of the eye
Term
retina
Definition
the innermost tunic of the eyeball, containing the neural elements for reception and transmission of visual stimuli.
Term
outer canthi
Definition
The angle formed by the meeting of the upper and lower eyelids at either side of the eye
Term
cornea-retinal potential
Definition
potential that is the polar difference measured between the front and back of the eye
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