picornavirus

(redirected from Piconaviruses)
Also found in: Dictionary, Thesaurus, Medical.
Related to Piconaviruses: orthomyxoviruses, rhabdoviruses

picornavirus

[pē′kȯr·nə‚vī·rəs]
(virology)
A viral group made up of small (18-30 nanometers), ether-sensitive viruses that lack an envelope and have a ribonucleic acid genome; among subgroups included are enteroviruses and rhinoviruses, both of human origin.