bulb of the spinal cord

bulb of the spinal cord
Medulla Me*dul"la, n. [L.] 1. Marrow; pith; hence, essence. [Obs.] --Milton. [1913 Webster]

2. (Anat.) The marrow of bones; the deep or inner portion of an organ or part; as, the medulla, or medullary substance, of the kidney; specifically, the medula oblongata. [1913 Webster]

3. (Bot.) A soft tissue, occupying the center of the stem or branch of a plant; pith. [1913 Webster]

4. See {medulla oblongata}. [PJC]

{Medulla oblongata}. [L., oblong medulla] (Anat.), the posterior part of the brain connected with the spinal cord. It includes all the hindbrain except the cerebellum and pons, and from it a large part of the cranial nerves arise. It controls very largely respiration, circulation, swallowing, and other functions, and is the most vital part of the brain; -- called also {bulb of the spinal cord}. See {Brain}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Bulb of the spinal cord — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

  • Bulb of the eye — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

  • Bulb — (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and producing …   The Collaborative International Dictionary of English

  • Bulb of a hair — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

  • Bulb of a tooth — Bulb Bulb (b[u^]lb), n. [L. bulbus, Gr. bolbo s: cf. F. bulbe.] 1. (Bot.) A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and …   The Collaborative International Dictionary of English

  • bulb — /bʌlb / (say bulb) noun 1. Botany a. a storage organ, usually subterranean, having fleshy leaves and a stem reduced to a flat disc which roots from the underside, as in the onion, lily, etc. b. a plant growing from a bulb. 2. any round, enlarged… …  

  • List of regions in the human brain — Anatomical regions of the brain are listed vertically, following hierarchies that are standard in neuroanatomy. Functional, connective and developmental regions are listed horizontally in parentheses where appropriate.Functional and connective… …   Wikipedia

  • Medulla — Me*dul la, n. [L.] 1. Marrow; pith; hence, essence. [Obs.] Milton. [1913 Webster] 2. (Anat.) The marrow of bones; the deep or inner portion of an organ or part; as, the medulla, or medullary substance, of the kidney; specifically, the medula… …   The Collaborative International Dictionary of English

  • Medulla oblongata — Medulla Me*dul la, n. [L.] 1. Marrow; pith; hence, essence. [Obs.] Milton. [1913 Webster] 2. (Anat.) The marrow of bones; the deep or inner portion of an organ or part; as, the medulla, or medullary substance, of the kidney; specifically, the… …   The Collaborative International Dictionary of English

  • Bulbar — Bulb ar, a. Of or pertaining to bulb; especially, in medicine, pertaining to the bulb of the spinal cord, or medulla oblongata; as, bulbar paralysis. [1913 Webster] …   The Collaborative International Dictionary of English

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