- antiperiodic
- antipertussis serum
- antiplague serum
- antiplasmodial
- antiplastic
- antiplatelet
- antiplatelet serum
- antipodagric
- antiprotease
- antiprotozoal
- antipruritic
- antipsoriatic
- antipurpuric
- antipyretic
- antirachitic
- antiradiation
- antiscabietic
- antiseptic
- antiserum
- antisialagogue
- antispasmodic
- antispirochetic
- antisplenetic
- antistalsis
- antistaphylococcic
- antistaphylococcus serum
- antisterility factor
- antisudorific
- antisympathetic
- antitetanic
- antithrombin
- antithyroid
- antithyrotropic
- antitoxic globulin
- antitoxic immunity
- antitoxic serum
- antitoxic unit
- antitoxin
- antitragus
- antitrope
- antitrypsin
- antitryptas
- antitubercular
- antitussive
- antityphoid
- antivenene
- antivenereal
- antivenomous serum
- antiviral
- antixenis
- antixerotic
- antlfebrile
- antlscarlatinal serum
- antrectomy
- antro-atticotomy
- antrocele
- antronasal
- antropyloric
- antroscope
- antrostomy
- antrotympanic
- antrum amis
- antuitary
- anuclear
- anulus tendineus
- anulus umbilicalis
- anurla
- anurous
- anury
- anus
- anus vesicalis
- anvil
- anxiety neurosis
- anxious state
- aorta
- aorta angusta
- aortalgia
- aortic aneurysm
- aortic arch
- aortic archm
- aortic area
- aortic hiatus
- aortic obstrution
- aortic spindle
- aortic stenosis
- aorticvalve
- aortitis
- Aortography
- aortolith
- aortopathy
- aortosclerosis
- aortotomy
- Apagar score
- apancrea
- apandria
- apanthropia
- aparathyrosis
- apastia
- apathic
- apbrodisiac