| 释义 |
prepyramid Anat.|ˌpriːˈpɪrəmɪd|
[pre- A. 4.]
The anterior pyramid of the medulla oblongata. So ˌprepyˈramidal a., pertaining to the prepyramids, or situated in front of the pyramids.
1866Owen Vertebr. Anim. I. 273 A narrower median ‘pre-pyramidal’ tract. Ibid. 276 The ‘commissura ansulata’, which crosses the pre-pyramids just behind the ‘hypoaria’. 1868Ibid. III. 83 The prepyramids..are long, narrow, flat, and contract as they approach the pons. Ibid. 86 The prepyramidal columns. |