EMS Chapter25Face&N Word Scramble
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Term | Definition |
air embolism | The presence of air in the veins, which can lead to cardiac arrest if it enters the heart. |
anisocoria | Naturally occurring uneven pupil size. |
blowout fracture | A fracture of the orbit or of the bones that support the floor of the orbit. |
conjunctiva | The delicate membrane that lines the eyelids and covers the exposed surface of the eye. |
conjunctivitis | Inflammation of the conjunctiva. |
cornea | The transparent tissue layer in front of the pupil and iris of the eye. |
eustachian tube | A branch of the internal auditory canal that connects the middle ear to the oropharynx. |
external auditory canal | The ear canal; leads to the tympanic membrane. |
globe | The eyeball. |
iris | The muscle and surrounding tissue behind the cornea that dilate and constrict the pupil, regulating the amount of light that enters the eye; pigment in this tissue gives the eye its color. |
lacrimal glands | The glands that produce fluids to keep the eye moist; also called tear glands. |
lens | The transparent part of the eye through which images are focused on the retina. |
mastoid process | The prominent bony mass at the base of the skull about 1" posterior to the external opening of the ear. |
optic nerve | A cranial nerve that transmits visual information to the brain. |
pinna | The external, visible part of the ear. |
pupil | The circular opening in the middle of the iris that admits light to the back of the eye. |
retina | The light-sensitive area of the eye where images are projected; a layer of cells at the back of the eye that changes the light image into electrical impulses, which are carried by the optic nerve to the brain. |
retinal detachment | Separation of the retina from its attachments at the back of the eye. |
sclera | The tough, fibrous, white portion of the eye that protects the more delicate inner structures. |
sternocleidomastoid muscles | The muscles on either side of the neck that allow movement of the head. |
subcutaneous emphysema | A characteristic crackling sensation felt on palpation of the skin, caused by the presence of air in soft tissues. |
temporomandibular joint (TMJ) | The joint formed where the mandible and cranium meet, just in front of the ear. |
tragus | The small, rounded, fleshy bulge that lies immediately anterior to the ear canal. |
turbinates | Layers of bone within the nasal cavity. |
tympanic membrane | The eardrum; a thin, semitransparent membrane in the middle ear that transmits sound vibrations to the internal ear by means of auditory ossicles. |
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