Lexic.us

Definition of Chiasma opticum

1. Noun. The crossing of the optic nerves from the two eyes at the base of the brain.

Medical Definition of Chiasma opticum

1. The anatomic point of crossing or decussation of the optic nerve fibres. most of the nerve fibres cross to the opposite side. (27 Sep 1997)

Lexicographical Neighbors of Chiasma Opticum

Literary usage of Chiasma opticum

Below you will find example usage of this term as found in modern and/or classical literature:

1. Brain and Spinal Cord: A Manual for the Study of the Morphology and Fibre by Emil Villiger (1918)
"The chiasma opticum forms a white quadrangular plate, from the anterior corners of which proceed the nervi optici and from the posterior corners the tractus ..."

2. The Anatomy of the Brain: A Manual for Students and Practitioners of by Jacob F. Burkholder (1904)
"Passing cephalad from the lateral extremities of the chiasma opticum (optic ... Immediately behind the chiasma opticum is a projection of substantia grisea ..."

3. The Nervous System and Its Constituent Neurones: Designed for the Use of by Lewellys Franklin Barker (1901)
"785 504. Brains illustrating atrophy following removal of eye in newborn rabbit ............ 787 505. Removal of left half of chiasma opticum with the ..."

4. Neurological Technique: Some Special Histological Methods Employed for the by Irving Hardesty (1901)
"Each A. carotis interna is joined by the A. communicans posterior just at the side of the chiasma opticum. The A. carotis interna divides into three ..."

5. A Laboratory Manual of Human Anatomy by Lewellys Franklin Barker, Dean De Witt Lewis, Daniel Graisberry Revell (1904)
"/am Ccp Frontal section through the right cerebral hemisphere (plane of the gyms centrali« and chiasma opticum). Origin and course oí the A. ..."

6. Anatomy of the brain and spinal cord with special reference to mechanism and by Harris Ellett Santee (1907)
"(chiasma opticum).—The optic chiasma is a quadrilateral sheet of nerve fibers whose anterior angles receive the optic nerves and whose posterior angles give ..."

7. On the Anatomy of Vertebrates by Richard Owen (1868)
"forward, converging and meeting beneath the brain at their confluence, called ' chiasma opticum,' a, b. The fasciculi of primitive fibres are here arranged ..."

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