Chapter 26 ENT

Cerumen

A substances produces by the cerumen glands of the ear (i.e earwax)

Cholesteatoma

A benign tumor of the middle ear cased by the shedding of keratin

Effusion

Fluid in the middle ear

Epistaxis

Bleeding arising from the nasal cavity

Evert

To turn outward or inside out

Hypertrophy

Enlargement of an organ or tissue

Ossicles

The bones of the middle ear that conduct sound (malleus,incus, and shapes)

Ototoxic

A substance that can injure the ear

packing

Method of applying a dressing to a body cavity, in a nasal procedure ,to absorb drainage ,control bleeding or expose mucas to topical medication

Papilloma

A benign epithelial tumor characterized by a branching or lobular tumor( also called a papillary tumor )

Paranasal sinuses

Air cells surrounding or on the periphery of the nasal cavities , include maxillary, ethmoid, sphenoid and frontal sinuses

Paresis

Paralysis of a structure (vocal cord paresis)

Perforation

A defect in the tympanic membrane caused by trauma or infection

Phonation

Vibration of the vocal cords during speaking or vocalization

Polyp

Excessive proliferation of the mucosal epithelium

Sensorineural hearing loss

Hearing impairment arsing from the cochlea, auditory nerve, or central nervous system

TM

The tympanic membrane

Transcanal

Surgical access through the external auditory canal (EAC)

Transsphenoidal

Surgery of the pituitary gland may be performed by approaching it through the sphenoid bone.