NOUN
- a bundle of nerve fibers passing from one side to the other of the brain or spinal cord
How To Use commissure In A Sentence
- Prof. Hamilton, of Aberdeen, claims that the corpus callosum is not a commissure, but the decussation of cortical fibers on their way down to enter the internal and external capsules of the opposite side. Scientific American Supplement, No. 520, December 19, 1885
- When the eyelids are open, an elliptical space, the palpebral fissure (rima palpebrarum), is left between their margins, the angles of which correspond to the junctions of the upper and lower eyelids, and are called the palpebral commissures or canthi. X. The Organs of the Senses and the Common Integument. 1c. 3. The Accessory Organs of the Eye
- Between the two crura of the fornix is a white, triangular lamina, known as the fornical commissure.
- It contains a double fold of pia mater, and its floor is formed by a transverse band of white substance, the anterior white commissure, which is perforated by bloodvessels on their way to or from the central part of the medulla spinalis. IX. Neurology. 3. The Spinal Cord or Medulla Spinalis
- The fore-brain consists of a thalamencephalon (th.c. and 1), which is exposed in the dorsal view of the brain, and which has no middle commissure. Text Book of Biology, Part 1: Vertebrata
- The thalamencephalon comprises: (1) the thalamus; (2) the metathalamus or corpora geniculata; and (3) the epithalamus, consisting of the trigonum habenulæ, the pineal body, and the posterior commissure. IX. Neurology. 4c. The Fore-brain or Prosencephalon
- Opposing this hinge axis is the ventral commissure.
- When the eyelids are open, an elliptical space, the palpebral fissure (rima palpebrarum), is left between their margins, the angles of which correspond to the junctions of the upper and lower eyelids, and are called the palpebral commissures or canthi. X. The Organs of the Senses and the Common Integument. 1c. 3. The Accessory Organs of the Eye
- The rostral is low and ovoid, with a notch at its lateral edges for the passage of the ethmoid commissure and for articulation with the antorbitals.
- The columns (columna fornicis; anterior pillars; fornicolumns) of the fornix arch downward in front of the interventricular foramen and behind the anterior commissure, and each descends through the gray substance in the lateral wall of the third ventricle to the base of the brain, where it ends in the corpus mammillare. IX. Neurology. 4c. The Fore-brain or Prosencephalon