Front Back
Acousto- Hearing
Af- Toward
Alges/o Sense of pain
Audi/o Hearing, sound
Aur/o Ear
Blephar/o Eyelid
Cac/o Bad or ill
Cerebell/o Cerebellum; small hind brain
Cerebr/o Brain, cerebrum; large outer brain
Chrom/o Color
Conjunctiv/o Conjunctiva; lining of the surface of the eye
Corne/o Cornea
Cor/o Pupil
Core/o Pupil
Dacry/o Tears, tear duct
Dendr/o Tree
Disk Flat, round structure; intervertebral disk
Dur/o Tough
Echo- Reflected sound
Ef- Away from
Encephal/o Brain
Esthesi/o Feeling, sensation
Fovea Pit or depression
-ferent Carry
Furc/o Branch; forked
Gangli/o Ganglion; mass of nerve tissue
-glia Gluey substance
Gloss/o Tongue
Hydr/o Water
-ia State of, condition,, process
-ictal Seizure, attack
Irid/o Iris
Kerat/o Horn, hard tissue
Cornea transparent part of the coat of the eyeball that
covers the iris and pupil and admits light to the
interior
Labyrinth Labyrinth; maze
Lacrim/o Tears
-lepsy Seizure
Lingu/o Tongue
Mal- Bad, abnormal
-mania Madness
Meat/o Passage, opening meatus
Megal/o Large
Mening/o Meninges; lining of the central nervous system
-mentia Mental, mind
Myel/o Bone marrow or spinal cord
Myring/o Eardrum, tympanic membrane
Narc/o Numbness, stupor
Neur/o Neuron, nerve
Noct/i/o/u Night
Ocul/o Eye
Olfact- Smell
-opia Vision (condition of)
Opt/o Vision
Ophthalm/o Eye
Ot/o Ear
Pachy- Thick
Phasia Speak or speech
Phas/o Speech
-phobia Fear
-phonia Sound or voice
Phon/o Sound
Phot/o Light
-phrenia Disorder of the mind
Poli/o Gray matter disease
Presby/o- Old age
Psych/o Mind, soul
-ptosis Prolapse, drooping
Pupill/o Pupil of the eye
Radicul/o Nerve root, spine
Reticul/o Network of cells
Retin/o Retina; inner lining of the eye
Rhiz/o Nerve root
-schisis Split, fissure
Schiz/o Split
Scler/o Sclera; white of the eye or hardening
Sens- Feeling
Son/o Sound
-spasm Sudden, involuntary muscular contraction
Staped/o- Stapes; bone of the middle ear
Ton/o Tension, pressure
Tympan/o Eardrum
Vitre/o Glass-like
Achromatism (condition of) Absence of color; colorless;
unable to see color
Acoustic Pertaining to hearing
Afferent To carry toward
Anesthesia Without feeling or sensation
Aphasia Without speech
Audiogram Record of hearing
Audiometer Instrument to measure hearing
Audiometry Measurement of hearing
Auditory Pertaining to hearing
Auricle Outer ear
Binocular Pertaining to two eyes
Blepharitis Inflammation of the eyelid(s)
Blepharoplasty Surgical repair of the eyelid(s)
Blepharoptosis Drooping of the eyelids
Blepharospasm Involuntary contraction of the eyelid
Cacophony Bad sound
Cerebrospinal Pertaining to the brain and spinal cord
Conjunctivitis Inflammation of the conjunctiva
Dacryocystorhinostomy Surgical creation of an opening between
lacrimal sac and nose
Dendrites Branch of a neuron
Dementia Memory impairment
Diplopia Double vision
Dysphasia Difficulty speaking
Efferent To carry away from
Encephalitis Inflammation of the brain
Encephalotomy To dissect the brain
Epilepsy Recurring seizures
Exophthalmic Eyes slightly out
Fovea Pit
Hydrocephalus Condition of water in the brain
Hyperopia Far vision (referring to farsighted)
Insomnia Not being able to sleep
Intraocular Within the eye
Iridectomy Removal of the iris
Keratometry Measurement of the cornea
Keratoplasty Repair of the cornea (corneal transplant)
Keratotomy Incisions into the cornea (corrects mild to
moderate myopia)
Lacrimal Related to the tear ducts
Malaise A feeling of general discomfort or uneasiness
Megalomania Madness about great or large(having an over-
inflated ego)
Meninges Meninges or coverings of the brain
Meningitis Inflammation of the brain coverings
(meninges)
Meningocele Herniation or protrusion of the meninges
Microglia small glue; specialized neuroglial cells
Monochromatic One color or hue
Motor Referring to movement
Myelography The process of recording a picture of the spinal
cord
Myopia Nearsightedness
Narcolepsy Sleep seizures
Neuralgia Nerve pain
Neuroglia(l) Nerve glue (supporting nerve cells)
Neurology The study of nerves
Neuron Pertaining to the nerve
Oculomotor Movement of the eye
Olfactory Referring to smell
Oligodendrocyte Specialized neuroglial cells
Ophthalmologist One who studies the eyes
Ophthalmoplegia Paralysis of the eye(s)
Ophthalmoscope Instrument to view the interior of the eye(s)
Optic Having to do with the eye
Optometry Measurement of the eyes
Ossicle Small bones ( especially tiny middle ear bones)
Otitis media Middle ear infection
Otolaryngologist one who specializes with the ear, nose and
throat
Otoscope Instrument to view inside the ear
Photophobia Fear of light (what it really means is to be light
sensitive)
Polyneuritis Inflammation of many nerves
Presbyopia Aging vision
Radiculopathy Nerve root disease
Reticular Net-like
Reticulocyte Net cell
Retinopathy Disease of the retina
Schizophrenia Condition of split mind
Sense Feeling
Somnambulism State of sleep walking or other motor acts
during sleep
Spinal Spine or spinal cord
Stapedectomy Removal of the stapes (to correct conductive
deafness)
Tonometer Instrument to measure pressure (used for
glaucoma)
Trigeminal Relating to cranial nerve
Tympanitis Inflammation of the ear drum
Vitrectomy Removal of the vitreous
Vitreous Glass-like fluid of the eye
Myringotomy Incision into the ear drum
Poliomyelitis Inflammation of the gray matter of the spinal
cord (disease)