外显子
Exon \Ex"on\, n. [NL., from E. Exe (Celt. uisge water) the name of a river.] A native or inhabitant of Exeter, in England. Exon \Ex"on\, n. [F. expect an under officer.] An officer of the Yeomen of the Guard; an Exempt. [Eng.]
exon n : sequence of a gene's DNA that transcribes into protein structures; "exons are interspersed with introns" [syn: {coding DNA}] [ant: {intron}]