decussation

Example Sentences

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The defining landmark of the medullary- spinal border is the pyramidal decussation, which is where most of the fibers in the corticospinal tract cross over to the opposite side of the brain.

From Textbooks • Jun. 19, 2013

In the dorsal column system, this decussation takes place in the brain stem; in the spinothalamic pathway, it takes place in the spinal cord at the same spinal cord level at which the information entered.

From Textbooks • Jun. 19, 2013

Summing up this description of the hereditary qualities of our twisted teasels and of their mechanical consequences, we may say that the loss of the normal decussation is the cause of all the observed changes.

From Species and Varieties, Their Origin by Mutation by Vries, Hugo de

Dr. Sommering has shewn, that a true decussation of the optic nerves in the human subject actually exists, Elem. of Physiology by Blumenbach, translated by C. Caldwell, Philadelphia.

From Zoonomia, Vol. II Or, the Laws of Organic Life by Darwin, Erasmus

The fine ribs that cross the whorls are not present on the wings, nor on the back; they are nodulated at their decussation with the raised striae.

From Narrative of the Voyage of H.M.S. Rattlesnake, Commanded By the Late Captain Owen Stanley, R.N., F.R.S. Etc. During the Years 1846-1850. Including Discoveries and Surveys in New Guinea, the Louisiade Archipelago, Etc. to Which Is Added the Account of Mr. E.B. Kennedy's Expedition for the Exploration of the Cape York Peninsula. By John Macgillivray, F.R.G.S. Naturalist to the Expedition. — Volume 2 by MacGillivray, John