- anal prolapse
- anal reflex
- analgesia
- analgesic
- analgic
- anamniotic
- ananabolic
- anangloid disk
- anapelratic paralysis
- anaphase
- anaphylactic antibody
- anaphylactogen
- anaphylaxis
- anaplastic
- anapophysis
- anasarca
- anastalsis
- anastomosis
- anastral mitosis
- anatomical preparation
- anatomy
- anatripsis
- anavenin
- ance
- anconeus
- ancylostomiasis
- andaortitis
- anerythroregenerative
- anesthesiologist
- anesthetiazation
- anesthetic leprosy
- aneurism
- aneurismal
- aneurysmal
- aneurysmal bruit
- aneurysmogram
- aneurysmotomy
- angelica
- anginose
- anginous
- Angiocardiography
- angiocarditis
- angioclast
- angiodiascopy
- angiographic
- angiography
- angiolithic sacoma
- angiology
- angioma
- angiomatosis
- angiomyoma
- angiomyosarcoma
- angioparalysis
- angiopathic vertigo
- angiopressura
- angioreticuloma
- angioscope
- angiospasm
- angiostomy
- angiostrophy
- angiotomy
- angiotribe
- anglospastic
- angular pregnancy
- angulus subpubicus
- anhelation
- anhepatia
- anhistic
- anhydremia
- aniline violet
- anility
- animal
- animal electricity
- animal graft
- animal mechanics
- aniridia
- anisocoria
- anisotropic
- anisotropic disk
- ankyloglossia
- ankylosis
- ankyroid
- annular scotoma
- annulus
- annulus ovalis
- anoci-association
- anodal diffusion
- anodyne
- anopsia
- anorectal
- anorexia
- anorexigenic
- anosigmoidoscope
- anotus
- anovulatory cycle
- ansa hypogiossi
- AntefebriIe
- antenaorrhinoscopy
- anterior sign
- anterior uveites