decussate

Form an X-shape

Decussate means to cross or intersect in the shape of an X.

The term appears mainly in technical contexts—anatomy, botany, geometry.

Nerve fibers decussate when they cross from one side of the body to the other.

Leaves are decussate when pairs emerge at right angles to the pairs above and below them.

The optic nerves decussate at the chiasm.

geometry

X-shaped

Resembling crossed lines

lattice · grid · reticulation · perpendicular · angles · overlapping · transverse · oblique · interlacing · tessellation

anatomy

chiasma

Point where structures cross

pyramidal · brainstem · midline · contralateral · bilateral · synaptic · neuroanatomy · spinal cord · medulla · corpus callosum

pattern

cross-hatching

Overlaid line shading

trellis · fretwork · basketweave · herringbone · tartan · plaid · checkered · argyle · gingham · interlocking

botany

cruciform

Having intersecting perpendicular arms

  • whorledSpiral-patterned in form
  • nodeConnection point in networks
  • stemPlant's central axis

right angles · botanical · foliage · alternating · perpendicular · bract · internode · pinnate · venation · stipule

Opposites
crossing/intersection pattern

decussateparallel

Equidistant at all points

uncrossed · aligned · straight · linear · uninterrupted

angular arrangement

decussateparallel

Equidistant at all points

collinear · unidirectional · concordant · uniform

Family

crisscross, intercross

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