| stratum spinosum epidermidis | The layer of polyhedral cells in the epidermis; shrinkage artifacts and adhesion of these cells at their desmosomal junctions gives a spiny or prickly appearance. Synonym: prickle cell layer, spinous layer. (05 Mar 2000) |
|---|---|
| foramen spinosum | <anatomy> Transmits middle meningeal artery (12 Dec 1998) |