On this page:
Definition of the noun decussation
What does decussation mean as a name of something?
noun - plural: decussations
- an intersection or crossing of two tracts in the form of the letter X
- lexical domain: Body Parts - nouns denoting body parts
- synonyms of decussation: chiasm / chiasma
- more generic terms: anatomical structure / bodily structure / body structure / complex body part / structure = a particular complex anatomical part of a living thing and its construction and arrangement
- more specific terms: chiasma opticum / optic chiasma / optic chiasm = the crossing of the optic nerves from the two eyes at the base of the brain
Alternative definition of the noun decussation
- A crossing or intersection of lines etc. so as to form an X-shape.
Decussation is used in biological contexts to describe a crossing. In anatomy the term chiasma or chiasm means much the same as decussation.
Printed dictionaries and other books with definitions for Decussation
Click on a title to look inside that book (if available):
Computing the Mind (2008)
How the Mind Really Works by Shimon Edelman
Decussation is a very common neuroanatomical trait found in different sensory modalities in many species.
From Theory to Practice by David Andrewes
Decussation is the crossing over of neural connections to allow contralateral control. Contralateral control over ipsilateral control of movement for simple unimanual response is well documented from a number of sources, although minor ...
The Basal Ganglia VIII (2006)
by John Paul Bolam, Cali A. Ingham, Peter J. Magill
Although basal ganglia connectivity is largely sustained by ipsilateral projections, several decussations involving basal ganglia nuclei have already been described. The bestcharacterized decussation is the crossed nigrostriatal pathway (Fass ...
The Functions of the Brain (1876)
by David Ferrier
In frogs, birds and the lower mammalia, the tracts decussate through each other; but anatomically and physiologically, it has been demonstrated that the decussation is a complete one. When one optic lobe is destroyed in a frog or bird, ...
Human Behavior & Physiological Response by John L. Andreassi
The decussation is a crossing over of fibers from the motor cortex of the right hemisphere to the left side of the body and from left hemisphere to the right side of the body. This organization of the voluntary motor system (pyramidal system) is ...
by Susumu Mori, S. Wakana, Peter C M van Zijl, L.M. Nagae-Poetscher
The decussation is that of the corticospinal tract. Three-dimensional atlas of brain white matter ...
by Seth Love, David Louis, David W Ellison
ASYMMETRY OF CROSSING OF THE CORTICOSPINAL TRACTS Failure to decussate is rare, 1030but asymmetrical decussation is a not uncommon finding in neonates ( Figure 5.132).
A Dictionary of Psychology (2015)
by Andrew M. Colman
pyramidal decussation n. The partial *decussation of the *corticospinal tract in the medulla oblongata, just above its junction with the top of the spinal cord, where the fibres of *pyramidal ...
by Philip Winn
As a noun—decussation—this means a crossing of FIBRES, more or less in the shape of an X; as a verb it means similarly to cross—as in 'the OPTIC CHIASM is where the OPTIC NERVE decussates'. It has a Latin root: a decussis was a coin ...
by Bernard Wood
decussation. Enamel prisms typically do not run in a straight line from the enamel –dentine junction to the surface of the tooth. Instead they twist in a wave-like manner two or three times before running straight to the surface in the outer ...
by Casey Albert Wood
A curious question is whether or not the pupillary fibres undergo a second semi- decussation in the mid-brain. While the arguments advanced by Behr (vide infra) in favor of the view that they do so are not universally accepted thefact remains ...
Encyclopedia of Neuroscience (2009)
Volume One by Larry R. Squire
Figure 2 The pyramidal tract decussation and the role of L1-CAM in forming the contralateral descending CS projection. (a1) Image from a normal mouse showing the pyramidal decussation. Axons from the two sides are labeled red and green ...
by A.J. Larner
Cross References Nystamgus; Saccades; Saccadic intrusion, Saccadic pursuit Pyramidal Decussation Syndrome Pyramidal decussation syndrome is a rare crossed hemiplegia syndrome, with weakness of one arm and the contralateral leg ...
Encyclopedia of the Eye (2010)
by Joseph Besharse, Reza Dana
ROBO3 mutations likely disturb brainstem morphogenesis by failing to promote decussation of long motor and sensory tracts in the pons and medulla.
A Pocket Medical Dictionary (1911)
Giving the Pronunciation and Definition of the Principal Words Used in Medicine and the Collateral Sciences ... by George Milbry Gould
DECUSSATION which encapsules the ovum. D. seroti'na, the area of the uterine wall to which the ovum is attached. D. ve/ra, the uterine mucosa. Deciduitis, de- sid-u-t'-tis. Inflammation of the decidual membrane of the gravid uterus.
by William Alexander Newman Dorland
DECUSSATION DEGENERATION decussation (de-kus-a'shun) [L. decussa'lio]. t. The running of two fellow-parts or structures athwart each other; a chiasm. 2. The point of crossing of decussate parts, fillet d., a crossing of nerve-fibers over the ...
Online dictionaries and encyclopedias with entries for Decussation
Click on a label to prioritize search results according to that topic:
Video about Decussation
Video shows what decussation means. A crossing or intersection of lines etc. so as to form an X-shape.. Decussation Meaning. How to pronounce, definition ...
Scrabble value of D2E1C3U1S1S1A1T1I1O1N1
The value of this 11-letter word is 14 points, but it's not an accepted word in the Official Scrabble Players Dictionary.
Anagrams of DECUSSATION
What do you get if you rearrange the letters?
See also the blanagrams of Decussation!
Share this page
Go to the thesaurus of Decussation to find many related words and phrases!