nonmedullated

nonmedullated
nerve erve (n[~e]rv), n. [OE. nerfe, F. nerf, L. nervus, akin to Gr. ney^ron sinew, nerve; cf. neyra` string, bowstring; perh. akin to E. needle. Cf. {Neuralgia}.] 1. (Anat.) One of the whitish and elastic bundles of fibers, with the accompanying tissues, which transmit nervous impulses between nerve centers and various parts of the animal body. [1913 Webster]

Note: An ordinary nerve is made up of several bundles of nerve fibers, each bundle inclosed in a special sheath (the perineurium) and all bound together in a connective tissue sheath and framework (the epineurium) containing blood vessels and lymphatics. [1913 Webster]

2. A sinew or a tendon. --Pope. [1913 Webster]

3. Physical force or steadiness; muscular power and control; constitutional vigor. [1913 Webster]

he led me on to mightiest deeds, Above the nerve of mortal arm. --Milton. [1913 Webster]

4. Steadiness and firmness of mind; self-command in personal danger, or under suffering; unshaken courage and endurance; coolness; pluck; resolution. [1913 Webster]

5. Audacity; assurance. [Slang] [1913 Webster]

6. (Bot.) One of the principal fibrovascular bundles or ribs of a leaf, especially when these extend straight from the base or the midrib of the leaf. [1913 Webster]

7. (Zo["o]l.) One of the nervures, or veins, in the wings of insects. [1913 Webster]

{Nerve cell} (Anat.), a neuron, one of the nucleated cells with which nerve fibers are connected; a {ganglion cell} is one type of nerve cell.

{Nerve fiber} (Anat.), one of the fibers of which nerves are made up. These fibers are either {medullated} or {nonmedullated}. In both kinds the essential part is the translucent threadlike axis cylinder which is continuous the whole length of the fiber.

{Nerve stretching} (Med.), the operation of stretching a nerve in order to remedy diseases such as tetanus, which are supposed to be influenced by the condition of the nerve or its connections. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Nonmedullated — Non*med ul*la ted, a. Not medullated; Specifically: (Anat.) without a medulla or marrow, or without a medullary sheath; as, a nonmedullated nerve fiber. [1913 Webster] …   The Collaborative International Dictionary of English

  • nonmedullated — SYN: unmyelinated. * * * non·med·ul·lat·ed med əl .āt əd, mej ə .lāt adj UNMYELINATED <nonmedullated nerve fibers> * * * non·med·ul·lat·ed (non medґu lāt″əd) unmyelinated …   Medical dictionary

  • nonmedullated fibers — nonmedullated nerve fibers unmyelinated f s …   Medical dictionary

  • nonmedullated — adj. * * * …   Universalium

  • nonmedullated — non·medullated …   English syllables

  • nonmedullated — (ˈ) ̷ ̷+, | ̷ ̷+ adjective : not medullated * * * adj …   Useful english dictionary

  • Fiber — The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or roughage. Complex carbohydrates from plants are rich in starch and fiber. Examples of plants that provide complex carbohydrates (fiber) are fresh… …   Medical dictionary

  • unmyelinated — Denoting nerve fibers (axons) lacking a myelin sheath. SYN: amyelinated, amyelinic, nonmedullated, nonmyelinated, unmedullated. * * * un·my·elin·at·ed mī ə lə .nāt əd adj lacking a myelin sheath <unmyelinated axons> * * * …   Medical dictionary

  • unmyelinated fibers — unmyelinated nerve fibers nerve fibers (axons) that lack the myelin sheath but may be enclosed by a neurilemma. Called also nonmedullated f s and nonmedullated nerve f s. Cf. myelinated f s …   Medical dictionary

  • ganglion cell — nerve erve (n[ e]rv), n. [OE. nerfe, F. nerf, L. nervus, akin to Gr. ney^ron sinew, nerve; cf. neyra string, bowstring; perh. akin to E. needle. Cf. {Neuralgia}.] 1. (Anat.) One of the whitish and elastic bundles of fibers, with the accompanying… …   The Collaborative International Dictionary of English

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