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 ?
Sometimes the decussation is literally submerged: "observable
The lack of peduncular decussation often results in a superior vermian cleft.
Two sutures intersected the outside of the wound (just decussation without the knot).