- (cytology) the last stage of prophase, in which the nucleolus and nuclear envelope disappear, spindle fibers form, and the chromosomes shorten in preparation for anaphase.
noun (plural diastemata)
- A gap or space between two adjacent teeth
- 1968: A gormless-looking boy, thin and exhibiting diastemata in the shop-front lights, offered him English newspapers. " Anthony Burgess, Enderby Outside