Decussation is used in biological contexts to describe a crossing (due to the shape of the Roman numeral for ten, an uppercase 'X' (decussis), from Latin decem 'ten' and as ' as ').

Jul 29, 2025 · Decussation describes a crossing over of nerve fibers from one side of the body to the other within the central nervous system. This crossing creates an X-shaped intersection of …

Pyramidal Decussation: The crossing of motor fibers at the junction of the medulla oblongata and spinal cord, which is essential for voluntary movement control.

The crossing of the right and left corticospinal tract is known as decussation, sometimes called the decussation of the pyramids. The few fibers, variable in number, that do not cross are …

The meaning of DECUSSATION is the action of crossing (as of nerve fibers) especially in the form of an X.

Nov 22, 2025 · Decussation refers to the oblique crossing of nerve fibers over the midline of the central nervous system, such as in the brainstem or spinal cord. This is distinct from a …

Decussation - when fibers cross from one side of a structure to the other. For example, motor fibers that travel in the corticospinal tract originate in the cerebral cortex and travel down to the …

The fibres from the temporal half of the retina do not undergo decussation, but pass back into the optic tract of the same side. Within the chiasma, the optic nerves undergo a partial …

DECUSSATION definition: a decussating or being decussated | Meaning, pronunciation, translations and examples

Define decussation. decussation synonyms, decussation pronunciation, decussation translation, English dictionary definition of decussation. n. 1. A crossing in the shape of an X. 2. Anatomy …