Chapter 27 Face And Neck Injuries Flashcards
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 that 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 people, regulating the amount of light that enters the eye; pigment in this tissue gives the eye it’s color
Lacrimal gland
The glands that produce fluids to keep the eye moist; also called tear glands
Lens
The trans parent 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 inch 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 year
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 that Eye whear images are projected; a layer of cells at the back of the eye that changes the light image into electric 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, fibers, 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
The joint formed where the mandible and the cranium meet, just in front of the ear
Tragus
The small, grounded, fleshy bulge that lies immediately anterior to the ear canal
Turbinates
Layers of bone with in the nasal cavity
Tympanic membrane
The eardrum, which lies between the external and middle ear
