What does aniso- mean in medical terms?

aniso-

Meaning: unequal, dissimilar

Type: Prefix

A prefix goes at the very start of a word, before the root. On this page: what aniso- means, and real medical words that use it, each broken down into its parts.

Example words using aniso-

anisocytosis
aniso- (unequal) + cyt (cell) + osis (condition) = red blood cells of unequal size
anisocoria
aniso- (unequal) + cor (pupil) + ia (condition) = unequal size of the pupils

Shortened forms

Charts and notes shorten long terms — see the Medical Abbreviations guide for the short forms you will meet in real records.

Please note: This section teaches the language of medicine — what word parts mean and how terms are built. It is an educational reference, not medical advice. For the meaning of a word in your own medical record, ask the clinician who wrote it.