decussate

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Related to decussation: decussation of pyramids

decussate

[′dek·ə‚sāt]
(botany)
Of the arrangement of leaves, occurring in alternating pairs at right angles.
(science and technology)
To intersect in the form of an X.
References in periodicals archive ?
Diffusion tensor tractography confirms the failure of superior cerebellar peduncle decussation. (2) Colour-coded functional anisotropic maps evaluate for the presence of a focal red dot anterior to the mesencephalon, adjacent to the interpeduncular fossa, which represents the decussation of these fibre tracts (Fig.
The pathways were drawn and the decussation was highlighted in different colours.
Paralysis of both arms from injury of the upper portion of the pyramidal decussation: "cruciate paralysis." J Neurosurg.
D'Cruz's decussation of these positions provides further philosophical charting of the identity-political terrain through a dialogue between the anti-foundational Scott and the post-positivist realist William Wilkerson.
motivating, organizing principle, the decussation, or X-shaped
The racecourse of that name is actually situated some three miles east, on the northern side of the Rolleston level-crossing, a decussation known to all who have visited the track.
The ipsilateral paresis is due to the compressive forces and resultant damage occurring at the level of the contralateral peduncle and proximal to decussation at the medulla (Kernohan & Woltman, 1929).
While he demonstrated partial decussation of optic nerve fibres at the optic chiasm he erred regarding their union: fibres from corresponding points on the two retinas were represented as joining one another rather than remaining independent as far as the visual cortex.