Medical Terminology: Sensory, Nervous, and Mental Word Elements

Comprehensive vocabulary flashcards covering medical prefixes, combining forms, and suffixes related to the nervous system, psychology, mental states, vision, hearing, and the sensory organs.

Esthesi/o, Esthet/o, -esthesia

Sensation, perception

Gnost/o, -gnosia, -gnosis

Knowledge

Mnemon/o, -mnesia

Memory

Leth/o

Forgetfulness

Letharg/o

Mental sluggishness, drowsiness

Top/o

Place, spot, region

Stere/o

Solid, 3D

Kinesi/o, Kine/o, -kinesia

Movement

Mot/o

Movement

Praxi/o, -praxia, -praxis

Activity, doing, practice

Tax/o

Coordination, order

Ton/o

Tension, stretching, tone

Spasm/o, Spat/o

Spasm

Leps/o, Lept/o, -lepsy

Seizure

Ict/o, -ictal

Seizure, stroke (CVA), blow

Pykn/o, Pycn/o

Thick, dense, frequent

Pleg/o, -plegia, Plect/o, -plexy

Paralysis, stroke

Palsy

Paralysis

-paresis

Partial paralysis

Sthen/o

Strength

Clon/o

Clonus

Chore/o

Chorea, dance

Narc/o

Stupor, sleep

Hypn/o

Sleep

Somn/o

Sleep

Sopor/o

Sleep

Comat/o, -coma

Coma

Lal/o, -lalia

Speech

Phas/o, -phasis, -phasia

Speech

Phras/o, -phrasia

Speech, phrase

Lex/o

Word, speech, reading

Log/o, -logy

Speech, reason, word

Phag/o, -phagia

Eat, swallow

Vert/o, Vers/o

Turning

Trem/o, Tremul/o

Shaking, trembling

Opistho-

Backward, behind

Oneir/o

Dream

Psych/o

Mind, soul

Phren/o

Mind, diaphragm, phrenic nerve

Ment/o

Mind

No/o

Mind, thought

Thym/o

Emotion, state of mind

Path/o, -pathy

Feeling, disease

Phor/o, -phoria

Bearing (in psychology: a mental state, emotional well being)

Hedon/o

Pleasure

Mani/o, -mania

Frenzy, madness

Hallucin/o

A false sensory perception

Phant/o, Phantasm/o

Illusion, hallucination

Phaner/o

Evident, visible

Phob/o, -phobia

Fear, avoidance

Panic

Panic

Narciss/o

Self-love

Phil/o, -philia

Attraction, love (in psychology, philia: sexual arousal)

-lagnia

Lust, sexual arousal

Orect/o, Orex/o

Appetite

Vis/o

Seeing, sense of sight

Opt/o, Optic/o

Seeing, sense of sight

Op/o, -opia, Ops/o, -opsia, -opsis

Seeing, sense of sight

Bleps/o, -blepsia, -blepsis

Sense of light

Olfact/o

Smelling, sense of smell

Osm/o, -osmia

Smelling, sense of smell

Osphresi/o, -osphresis

Smelling, sense of smell

Gust/o, Gustat/o

Tasting, sense of taste

Geus/o, -geusia

Tasting, sense of taste

Tact/o, Tag/o, Tang/o

Touching, sense of touch

Hapt/o

Touching, sense of touch, to seize

Audit/o, Audi/o

Listening, sense of hearing

Acust/o, Acoust/o, -acusis, -acousia

Listening, sense of hearing

Ocul/o

Eye

Ophthalm/o

Eye

Camer/o

Chamber, cavity

Aqu/o, Aque/o

Water, water-like

Vitre/o, Vitr/o

Glass, glass-like

Hyal/o

Glass, glass-like

Retin/o

Retina

Choroid/o

Choroid

Macul/o

Spot, macule

Corne/o

Cornea, hard, horn-like

Kerat/o, Cerat/o

Cornea, hard, horn, horn-like

Lent/o, Lenticul/o

Lens, lentil, lentil shaped

Phac/o, Phak/o

Lens, lentil

Cycl/o

Ciliary body of the eye, circle, wheel

Cili/o

Ciliary body, eyelash, hair-like

Scler/o

Sclera of eye, hard

Ir/o, Irid/o

Iris of eye, rainbow (like)

Pupill/o, Pup/o

Pupil of eye, pupa (stage of after larva)

Cor/o, -coria

Pupil of eye

Palpebr/o

Eyelid

Blephar/o

Eyelid

Conjunctiv/o

Conjunctiva

Junct/o, Jug/o

To join, joined

Lacrim/o

Tear

Dacry/o

Tear

Mitt/o, Miss/o

To send, let go

Ambly/o

Dull

Presby/o

Old age

Dipl/o

Double

Deuter/o

Second, secondary (in vision: green blindness)

Prot/o

First, primary (in vision: red blindness)

Metr/o, -meter

Measure, measuring