Area

(a/-re-ah) [area, an open space]. A limited extent of surface. A. Celsi. See Alopecia are at a. clear-cut areas seen A., in aCohnheim’s, certain transverse section of muscle-fibers. A., Crural, a space at the base of the brain included between the pons and chiasm. A. germinativa, or e??ibryonic spot, the oval germinating spot of the embryo. A., Motor, the convolutions on either side of the rolandic fi ure, containing the centers for voluntary motion. A. opaca, the opaque circle about the A. pellucid a. A. pellucid a, the light central portion of the A. germinativa. A. vasculosa, the vascular area of the A. opaca. 78