Also found in: Dictionary, Thesaurus, Encyclopedia.
1. Synonym(s): accessory chromosome
2. Obsolete term for ribosome.
3. A structure consisting of a single ribosome bound to a molecule of mRNA.
[mono- + chromosome]
1. A chromosome having no homologue, especially an unpaired X chromosome.
2. A single ribosome.
mon′o·so′mic (-sō′mĭk) adj.
Etymology: Gk, monos + soma, body
1 an unpaired X or Y chromosome. Also called accessory chromosome.
2 the single, unpaired chromosome in monosomy.
A structure consisting of a single ribosome bound to a molecule of mRNA.