Nitrogenous bases are the parts of RNA and DNA that are involved in pairing up (see also base pairs). These include cytosine, guanine, adenine, thymine (DNA) and uracil (RNA).
... recessive form Adducted thumbs Dundar type[?] Adenine phosphoribosyltransferase deficiency[?] Adenocarcinoid tumor[?] Adenocarcinoma of lung[?] Adenoid cysti ...