Cajal body

English thumb|right|alt=Image of four oval-shaped blue nuclei containing small green dots representing Cajal bodies.|Nuclei of mouse cells (blue) containing Cajal bodies (green) Etymology Discovered by Santiago Ramón y Cajal (1852–1934), Spanish neuroscientist and histologist, in 1903. Noun en cytology A spherical membraneless nuclear body largely consisting of proteins and RNA, found in the nucleus of proliferative cells like embryonic cells and tumor cells, or metabolically active cells like neurons. en coiled body Translations spherical membraneless nuclear body largely consisting of proteins and RNA en eponyms