NA Medical Abbreviation

Nomina Anatomica

The modification of the Basle Nomina Anatomica or BNA system of anatomic terminology adopted in 1955 by the International Congress of Anatomists in Paris. The International Anatomical Nomenclature Committee was responsible for continued revisions of the NA that had been reviewed and adopted by the International Congress of Anatomists meeting at 5-year intervals from 1955-1985.

Nuclear Abnormalities

Nuclear Antibody

Nuclear Antigens

Nuclear Antigen

Nuclear Area

Nucleic Acids

Nucleic acids are biological polymers made from nucleotide monomers. Examples: DNA and RNA are nucleic acids.

Nucleoside Analogues

Acoustic Neuroma

N-Acetyl-Containing Compounds