COMMISSURE

commissure

(noun) a bundle of nerve fibers passing from one side to the other of the brain or spinal cord

Source: WordNet® 3.1


Etymology

Noun

commissure (plural commissures)

(anatomy) The joint between two bones.

(neuroanatomy) A band of nerve tissue connecting the hemispheres of the brain, the two sides of the spinal cord, etc.

(anatomy) The line where the upper and lower lips or eyelids meet.

Source: Wiktionary


Com*mis"sure ( or ; 134-6), n. Etym: [L. commissura a joing together: cf. F. commissure. See Commit.]

1. A joint, seam, or closure; the place where two bodies, or parts of a body, meet and unite; an interstice, cleft, or juncture.

2. (Anat. & Zoöl.) (a) The point of union between two parts, as the angles of the lips or eyelids, the mandibles of a bird, etc. (b) A collection of fibers connecting parts of the brain or spinal marrow; a chiasma.

3. (Bot.)

Definition: The line of junction or cohering face of two carpels, as in the parsnip, caraway, etc.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

20 January 2025

CHELICERA

(noun) either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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