[in a prokaryotic cell or in the nucleus of a eukaryotic cell, a structure containing DNA which carries the genetic information essential to the cell; the bacterial chromosome is a closed circle of double stranded DNA associated with the cell membrane; nuclear chromosomes are associated with RNA, histones and non histone proteins; the normal number of chromosomes in human somatic cells is 46. ( CSP )]
UMLS (NCI) C0008633 Relation/PAR: Cytogenetic
Relation/CHD: centromere
chromatin
chromosome 21
nucleosome
sex chromosome
Telomere
autosome