What does decussation mean?
Definitions for decussation
ˌdi kəˈseɪ ʃən, ˌdɛk ə-de·cus·sa·tion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word decussation.
Princeton's WordNet
chiasma, chiasm, decussationnoun
an intersection or crossing of two tracts in the form of the letter X
Wiktionary
decussationnoun
A crossing or intersection of lines etc. so as to form an X-shape.
Etymology: From decussationem, from decussare.
Samuel Johnson's Dictionary
Decussationnoun
The act of crossing; state of being crossed at unequal angles.
Etymology: from decussate.
Though there be decussation of the rays in the pupil of the eye, and so the image of the object in the retina, or bottom of the eye, be inverted; yet doth not the object appear inverted, but in its right or natural posture. John Ray, on the Creation.
ChatGPT
decussation
Decussation is the anatomical term used to describe the crossing over or interweaving of two structures, often in the form of an X. It is most commonly used in neuroscience to depict the point where nerve fibers obliquely cross from one lateral part to the other, particularly in the brain and spinal cord.
Webster Dictionary
Decussationnoun
act of crossing at an acute angle, or state of being thus crossed; an intersection in the form of an X; as, the decussation of lines, nerves, etc
Etymology: [L. decussatio.]
Wikidata
Decussation
Decussation is used in biological contexts to describe a crossing. In anatomy the term chiasma or chiasm means much the same as decussation. Examples include: ⁕In the brain, where nerve fibers obliquely cross from one lateral part to the other, that is to say they cross at a level other than their origin. See for example Decussation of pyramids. ⁕In phyllotaxis when an opposite pattern of leaves has successive leaf pairs that are perpendicular, it is called decussate. In effect, successive pairs of leaves cross each other.Decussate phyllotaxis of Crassula rupestris ⁕In tooth enamel, where bundles of rods cross each other as they travel from the enamel-dentine junction to the outer enamel surface, or near to it.
Numerology
Chaldean Numerology
The numerical value of decussation in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of decussation in Pythagorean Numerology is: 4
References
Translations for decussation
From our Multilingual Translation Dictionary
- перекрещиваниеRussian
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"decussation." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/decussation>.
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