pyramidal : Idioms & Phrases


pyramidal bone

  • noun a wrist bone that articulates with the pisiform and hamate and lunate bones
    triquetral; os triquetrum; triquetral bone; cuneiform bone.
WordNet

pyramidal motor system

  • noun any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord
    corticospinal tract; pyramidal motor system.
WordNet

Pyramidal numbers

  • (Math.), certain series of figurate numbers expressing the number of balls or points that may be arranged in the form of pyramids. Thus 1, 4, 10, 20, 35, etc., are trangular pyramidal numbers; and 1, 5, 14, 30, 55, etc., are square pyramidal numbers.
Webster 1913

pyramidal tent

  • noun a large tent shaped like a pyramid; can hold half a dozen people
WordNet

pyramidal tract

  • noun any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord
    corticospinal tract; pyramidal motor system.
WordNet