Chapter 27 - Face and Neck Injuries

air embolism

presence of air in the veins that can lead to cardiac arrest

anisocoria

uneven pupil size

blow-out fracture

break in the bones around the eye

conjunctiva

membrane that lines the eyelids and covers the exposed surface of the eye

conjunctivitis

inflammation of the conjunctiva

cornea

tissue in front of the pupil and iris of the eye

epistaxis

a nosebleed

eustachian tube

connects the middle ear to the oropharynx

external auditory canal

leads to the tympanic membrane

globe

eyeball

iris

behind the cornea that dilates/constricts the pupil

lacrimal glands

tear glands

lens

mastoid process

behind the ear and near base of the skull

optic nerve

transmits visual information to the brain

pinna

external, visible part of ear

pupil

opening in the middle of the iris

retina

light sensitive area where images are projected

retinal detachment

retina detaches from the back of the eye

sclera

white part that protects inner structures

sternocleidomastoid muscles

muscles on neck that allow head movement

subcutaneous emphysema

crackling sensation felt on palpation of the skin

temporomandibular joint

mandible and cranium meet

tragus

fleshy bulge that lies immediately anterior to the ear canal

turbinates

bone layers in the nasal cavity

tympanic membrane

membrane in the middle ear that transmits sound vibrations to the internal ear