| Namespace | MPheno.ontology | Obsolete | false |
| description | any anomaly of the space or gap between two adjacent teeth in the same dental arch; in rodents, the diastema is the toothless (edentulous) region that normally separates a continuously growing single incisor from a segment of three molars in each quadrant of the adult jaw; although tooth primordia develop in the rodent embryonic diastema, they undergo apoptosis and regress to ensure that this region remains tooth-free |
