Glossary index

Medical terms beginning with A

Browse medical definitions and meanings in the complete glossary, or choose a letter to narrow the list.

511 medical terms in this glossary begin with the letter A, from axillary onward. Every entry gives a plain-language definition, and most add a pronunciation, the word parts it is built from, and related terms.

This is also the place to look for medical words, health words, anatomy terms and disease names starting with A.

A terms

511 results

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.