Definition of "diastema" in английский

noun

1. (pathology) A gap or space between two adjacent teeth, especially the upper front incisors (in humans).

2. (zoology, anatomy) A gap between teeth of different types, e.g. incisors and molars, which is a feature of some rodents and ungulates.

3. (pathology) Any abnormal space, fissure, or cleft in an organ or other part of the body.

4. (cytology) The modified protoplasm at the equator of a cell, existing before mitotic division.