Uberon definition : The innermost layer of the leptomeninges, consisting of a delicate membrane closely
covering the surface of the brain and spinal cord,and lying under the arachnoid membrane.
The pia, unlike the arachnoid, extends into the sulci in gyrencephalic animals.;
Uberon synonym : pia mater of neuraxis; pial membrane;
The innermost layer of the leptomeninges, consisting of a delicate membrane closely
covering the surface of the brain and spinal cord,and lying under the arachnoid membrane.
The pia, unlike the arachnoid, extends into the sulci in gyrencephalic animals.