chiasmatic groove

chiasmatic groove
chiasmatic groove n a narrow transverse groove that lies near the front of the superior surface of the body of the sphenoid bone, is continuous with the optic foramen, and houses the optic chiasma called also optic groove

Medical dictionary. 2011.

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  • Chiasmatic groove — Bone: Chiasmatic groove Sphenoid bone. Upper surface. (Sulcus chiasmaticus labeled at center) …   Wikipedia

  • groove — A narrow, elongate depression or furrow on any surface. SEE ALSO: sulcus. alveolobuccal g. the upper and lower half of the buccal vestibule on each side. SYN: alveolobuccal sulcus, gingivobuccal g., gingivobuccal sulcus. alveololabial g. 1. the… …   Medical dictionary

  • Occipital groove — Bone: Occipital groove Left temporal bone. Outer surface. (Occipital groove labeled at bottom right.) Latin sulcus arteriae occipitalis Gray s …   Wikipedia

  • optic groove — n CHIASMATIC GROOVE * * * sulcus prechiasmaticus …   Medical dictionary

  • Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… …   Medical dictionary

  • Middle cranial fossa — Base of the skull. Upper surface. (Middle cranial fossa is the centermost of the three indentations, in pink and yellow.) Latin fossa cranii media Gray s …   Wikipedia

  • Bone — This article is about the skeletal organ. For other uses, see Bone (disambiguation) and Bones (disambiguation). For the tissue, see Osseous tissue. Drawing of a human femur Bones are rigid organs that constitute part of the endoskeleton of… …   Wikipedia

  • Optic canal — Bone: Optic foramen 1: Foramen ethmoidale 2: Canalis opticus 3: Fissura orbitalis superior 4: Fossa sacci lacrimalis 5: Sulcus infraorbitalis 6: Fissura orbitalis inferior 7: Foramen infraorbitale …   Wikipedia

  • Anterior cranial fossa — Base of the skull. Upper surface. (Anterior cranial fossa is the top of the three indentations.) Latin fossa cranii anterior Gray s …   Wikipedia

  • Parietal bone — Bone: Parietal bone Figure 1 : Left parietal bone. Outer surface …   Wikipedia

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