Medical Terminology

Color Terminology

  • chrom/o - Color

  • eosin/o - Rosy, Red, Dawn-Colored

  • erythr/o - Red

  • leuk/o - White

  • melan/o - Dark, Black, Melanin

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

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