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gray commissure

a bundle of nerve fibers that surrounds the central canal of the spinal cord and connects the anterior and dorsal horns of gray matter in each half of the cord.

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Psychology term of the day

July 27th 2024

trinucleotide repeat

trinucleotide repeat

a contiguous repetition of the same three nucleotides within a nucleic acid (DNA or RNA). The occurrence of extra trinucleotide repeats in certain genes causes dysfunction, inluding Huntington’s disease and fragile X syndrome.