Definitions for "Commissure"
A joint, seam, or closure; the place where two bodies, or parts of a body, meet and unite; an interstice, cleft, or juncture.
The point of union between two parts, as the angles of the lips or eyelids, the mandibles of a bird, etc.
The line of junction or cohering face of two carpels, as in the parsnip, caraway, etc.
( Harris, 1955) The slit or line of dehiscence in the laesura. See also: laesura. Composite aperture ( Erdtman, 1952) Synonym of compound aperture.
Keywords:  sagital, missum, fibres, con, cross
Latin con = together, and missum = sent, hence fibres which cross between symmetrical parts.
A crossing over from one side to another.
Large tracts that span the longitudinal fissure.
any fiber tract that connects between structures on the two sides of the central nervous system.
Keywords:  chiasma, marrow, spinal, brain, fibers
A collection of fibers connecting parts of the brain or spinal marrow; a chiasma.