- agenosomia
- ageusic aphasia
- agglutanin
- agglutinable
- agglutination
- aglutition
- Aglycone
- agminate folliculitis
- agnathia
- aggregation
- aggressivity
- aglaucopsia
- aglossia
- agonic intussusception
- agoraphobia
- agraphia
- agrypnocoma
- aidolomania
- air strainer
- agnosia
- agonal thrombosis
- agranulocyte
- agromania
- agropyrum
- agrypnia
- ague-cake
- ahaptoglobinemia
- aikaline intoxication
- aikalipenia
- air bath
- air bed
- air block
- airsickness
- akinesia algera
- ala
- ala pontis
- alactasia
- alastrim
- albinism
- albugineous
- albumin quotient
- albuminocholia
- albuminoid degeneration
- albuminolysin
- albuminoptysis
- albuminuria
- alcohol addict
- alcoholic
- alcoholic paralysis
- aldosteronopenia
- aleppo boll
- airway
- akathisia
- ala nasi
- alalia
- albedo
- albiduria
- albidus
- albinotic fundus
- albumin
- albuminaturia
- alcoholics Anonymous
- alcoholism
- alcoholometer
- aldehyde
- aldosteronism
- alembic
- aletocyte
- aleukemic leukemia
- aleukemoid
- aleukia
- alexic
- alexin
- alexipyretic
- Aleydigism
- algedonic
- algesiogenic
- algic gait
- algiomotor
- algologist
- alible
- alienation
- alienism
- alienist
- alimentary canal
- alimentary lipemia
- alimentary therapeutics
- alinasal
- alinjection
- alkalemia
- alkali
- alkali albumin
- alkali metal
- alkalimetry
- alkalinization
- alkalosis
- alkaluria
- alkyl
- alkylate
- allachesthesia