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| the fold or hollow on either side of the front of the body where the thigh joins the abdomen |
| the colored portion of the eye that contains a circular opening, the pupil, in its center |
| decussate | |
| —vb | |
| 1. | to cross or cause to cross in the form of the letter X; intersect |
| —adj | |
| 2. | in the form of the letter X; crossed; intersected |
| 3. | botany (esp of leaves) arranged in opposite pairs, with each pair at right angles to the one above and below it |
| [C17: from Latin decussāre, from decussis the number ten, from decem ten] | |
| de'cussately | |
| —adv | |
| decus'sation | |
| —n | |
decussation dec·us·sa·tion (děk'ə-sā'shən, dē'kə-)
n.
A crossing in the shape of an X.
An X-shaped crossing, especially of homonymous nerves or bands of nerve fibers, connecting corresponding parts on opposite sides of the brain or spinal cord.