These are sometimes marked with a decussate cross, as was done to facilitate fracture during administration.
The remaining fibres pass down as the direct pyramidal tract, and decussate in the cord near their termination.
decussate, arranged in pairs which successively cross each other, 71.
The whorls or pairs alternate or cross each other, usually at right angles, that is, they decussate.
Thus, leaves normally opposite and decussate may, by fusion, become alternate.
1650s, from Latin decussatus, past participle of decussare "to divide crosswise, to cross in the form of an 'X,'" from decussis "the figure 'ten'" (in Roman numerals, represented by X) from decem "ten" (see ten). As an adjective, from 1825.
decussate de·cus·sate (dĭ-kŭs'āt', děk'ə-sāt')
v. de·cus·sat·ed, de·cus·sat·ing, de·cus·sates
To cross or become crossed so as to form an X; intersect. adj.
Intersected or crossed in the form of an X.