1. Noun. A polynucleotide all of whose bases are adenine. ¹
¹ Source: wiktionary.com
Medical Definition of Poly(a)
1.
1. Poly(adenylic acid).
2. Iridoid indole alkaloid isolated from Vinca sp.; may have pharmacological applications; falling in this class are vinblastine and vincristine.
3. Excretion of d-glyceric acid in the urine; found in renal calculi.
4. An inborn error in metabolism resulting in d-glyceric aciduria.
5. A class of basic antibiotic peptides, found in neutrophils, that apparently kill bacteria by causing membrane damage.
(05 Mar 2000)
