Comate -us: only the upper part of head, or vertex, covered with hair.
Fastigium: Orthoptera; the extreme point or front of vertex.
Facial angle: the angle formed by the junction of the face and vertex.
Vertexal: occurring on or near the vertex, or directed toward it.
Sinciput: in Coleoptera; that part of the vertex between the eyes.
Synciput: that portion of the vertex ...