subpyramidal

sub·py·ram·i·dal

(sūb'pi-ram'i-dăl), 1. Below any pyramid; denoting especially the tympanic sinus. 2. Nearly pyramidal in shape.

subpyramidal

S22-910980 (sŭb″pī-răm′ĭ-dăl) [″ + Gr. pyramis, a pyramid] Beneath a pyramid-shaped structure, such as the pyramids of the kidney or the pyramidal tracts of the brain.