Category: A

  • Aplanatic

    Free from or correcting spherical aberration.  

  • Apitherapy

    In alternative medicine, the application of bee stings or their chemical constituents for their putative anti-inflammatory effects. Apitherapy has been used by some health care practitioners to treat arthritis and multiple sclerosis, among other disorders.  

  • Apicostomy

    Surgical removal of the mucoperiosteum and bone in order to expose the apex of the root of a tooth.  

  • Apicomplexa

    A phylum of the kingdom Protista (formerly a division of protozoa called Sporozoa); named for a complex of cell organelles (apical microtubule complex) at the apex of the sporozoite form that can penetrate host cells. It includes the medically important genera Plasmodium, Toxoplasma, Cryptosporidium, and Isospora.  

  • Apicolysis

    Destruction of a dental root apex.  

  • Apicolocator

    An instrument for locating the apex of the root of a tooth.  

  • Apical heave

    Visible heaving of the chest over the apex of the heart. This usually indicates left ventricular hypertrophy.  

  • Aphthosis

    Any condition characterized by aphthae.  

  • Aphthongia

    Inability to speak due to spasm of muscles controlling speech.  

  • Aphthong

    A silent letter or combination of letters in a written word.