anterior median fissure การใช้

• The anterior median fissure is the groove in the ventral side.
• The vessel is placed in the pia mater along the anterior median fissure.
• The anterior median fissure provides a groove in which the anterior spinal artery sits.
• The posterior median sulcus is the groove in the dorsal side, and the anterior median fissure is the groove in the ventral side.
• It lies close to the anterior median fissure, and is present only in the upper part of the medulla spinalis; gradually diminishing in size as it descends, it ends about the middle of the thoracic region.
• About 90 % of these fibers leave the pyramids in successive bundles and decussate ( cross over ) in the anterior median fissure of the medulla oblongata as the " pyramidal decussation " or " motor decussation ".
• Infiltration from the anterior median fissure, a 3mm deep furrow on the anterior side of the spinal cord, to the anterior horn of the spinal cord, the ventral grey matter of the spinal cord, is found along the central artery.