Peri
Around
Membranous labyrinth
Floats in the perilymph and is filled with endolymph
End
Inside
Labyrinth
Passage
Oto
Ear
Liths
Stones
Hearing loss (deafness)
Partial or total inability to hear sound
Pre-lingual deafness
Hearing loss that occurs before a child has squired a spoken language
Post-lingual deafness
Hearing loss after a child has learnt to speak a language, usually after the age of six
Otitis media
Inflammation of the middle ear caused by a bacterial or viral infection
Sensorineural hearing loss
Hearing loss caused by damage/ loss of sensory/ neural organs etc.
Grommets
Small ventilation tubes made of either plastic or metal, inserted through an incision in the eardrum after all the mucus has been sucked out
Hearing aids
Small electronic device that amplifies incoming sound
DEAFSA
Formerly known as the South African National Council for the Deaf and “ “ “ “ for the blind
( founded 1929)
Maculae
- Equilibrium receptors
2. Patches of hair covered with a jelly-like layer in which otoliths (calcium carbonate crystals) are embedded
Ampulla
Enlarged swelling at one side of duct
Cristae
Patch of hair cells covered by Capula
Capula
Jelly-like cap that covers hair cells
Cochlea implants
Electronic device that restores hearing to people with very sever or profound deafness
Bony labyrinth
A series of canals and cavities within the temporal bone, filled with perilymph
