pyramid of medulla oblongata n.
An elongated white prominence on the ventral surface of the medulla oblongata on either side along the anterior median fissure, corresponding to the pyramidal tract. Also called anterior pyramid.
- Pyramid of tympanum
pyramid of tympanum n. A hollow conical projection behind the vestibular window in the middle ear, containing the stapedius muscle.
[pir-uh-mid] /ˈpɪr ə mɪd/ noun 1. Architecture. 2. anything of such form. 3. a number of persons or things arranged or heaped up in this manner: a pyramid of acrobats; a pyramid of boxes. 4. a system or structure resembling a pyramid, as in hierarchical form. 5. Geometry. a solid having a polygonal base, and […]
noun See pyramid selling
- Pyramid sign
pyramid sign n. Any of the various signs indicating a pathological condition of the pyramidal tracts, such as Babinski’s sign.