Medical Terminology

Color Terminology

• chrom/o - Color

• eosin/o - Rosy, Red, Dawn-Colored

• erythr/o - Red

• leuk/o - White

• melan/o - Dark, Black, Melanin

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Direction Terminology

• a - Absent, Without, Away From

• ab - Away From

• ad - To, Toward

• aniso - Unequal, Dissimilar

• anti - Against

• ante - Before

• circum - Around

• contra - Against, Counter To

• de - Down, From

• dis - Apart, Away From

• dors - Back

• e - Out, From

• ect - Outside, Without

• end(o) - Inside, Within

• epi - Upon, Over, In Addition

• extra - Beyond, Outside Of, In Addition

• front - Front, Forehead

• neutr/o - Neutral

• hyper - Above, Extreme

• hypo - Under, Below

• infra - Beneath

• inter - Between

• intra - Inside

• medi - Middle, Midline

• para - Next to, Resembling Beside

• per - Through

• peri - Around

• retro - Backward

• sub - Under, Below

• super - Above, In Addition

• supra - Over, Above, Upper

• trans - Across

• -al ; -ar - Pertaining to an Area

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Shape Terminology

• dys - Abnormal, Impaired

• allo - Differing From Normal

• morph/o - Form, Shape

• plas/o Formation

• poikil/o - Irregular

• bas/o - Base, Formation

• macr(o) - Large, Long

• mal - Abnormal, Bad

• mega - Large, Extreme

• micro(o) - Small

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Number Terminology

• bi - Two

• di - Two

• mon(o) - One, Single

• multi - Many, Multiple

• iso - Equal, Like

• uni - Single, One

• tri - Three

• semi - Half

• quad - Four

• poly - Many, Much

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Other Terminology

• agglutin/o - Clumping, Gluing

• blast/o - Bud, Sprout, Embryo

• chol/e; chol/o - Bile, Gall

• cyt - Cell

• fibr - Fiber

• hydr - Water

• reticul/o - Mesh

• spider/o - Iron

• therm - Heat

• xen - Foreign, Strange

• ambi - Both

• a ; an - Without

• auto - Self

• co - With, Together

• ex - Out Of

• hemi - Half

• hetero - The Other

• hom - Common, Same

• hydro - Denoting Water

• in - Without, Into, Not, Negative

• narc - Stupor, Numbness

• ne(o) - New

• nutri - Nourish

• post - After, Later in Time

• pre , pro - Before in Time

• pseudo(o) - False

• re - Back, Again

• syn - Together, Along With

• -ase - Denoting an Enzyme

• -blast - Germ, Bud

• -cyte - Cell

• -desis - A Binding

• -ic - A Noun/Adjective Ending

• -oid - Resembling

• -phil - Attraction For

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Condition Terminology

• path - Pertaining to Disease

• necr(o) - Dead

• bio - Life

• carcin(o) - Cancer

• toxic - Poison

• -algia - Painful Condition

• -ia - A Noun Ending of a Condition

• -ism - Condition

• -pathic - Diseased

• -oma - Tumor

• -osis - Abnormal Condition

• -plegia - Paralysis

• -itis - Inflammation

• -phobia - Morbid Fear Of

• -rrhea - Profuse Flow

• -penia - Decrease, Deficiency

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Action Terminology

• flex - Bend

• -ectomy - Surgical Removal of Body Part

• -ist - One Who Does

• -meter - Device for Measuring

• -ology - Study Of

• -ostomy - Forming an Opening

• -otomy - Incision, Cutting Into

• -poisesis - Formation, Production

• -scope - Examination Instrument

• -scopy - Procedure with a Scope

• -stasis - Stopping, Standing Still

• -tomy - Surgical Procedure

• -graph - White, Draw, Record

• -gram - A Record

• -genic - Producing, Causing