ABSTRACT

Alphavirus (al 'fa-vi-rus I A genus of arthropodborne viruses (family Togaviridae) including those causing encephalitis. Formerly classified as arbo­ virus, group A.

Alport syndrome (al'port sin'drom) Hereditary nephritis associated with nerve deafness. See also hereditary nephritis, under nephritis,

alter (awl'ter) To castrate a male animal, alternans (awl-ter'nanz) Alternating.