Medulla oblongata

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 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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  • medulla oblongata — ► NOUN ▪ the part of the spinal cord extending into the brain …   English terms dictionary

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  • medulla oblongata — pl. medulla oblongatas, medullae oblongatae. Anat. the lowest or hindmost part of the brain, continuous with the spinal cord. See diag. under brain. [1670 80; < NL: the long medulla] * * * ▪ anatomy also called  medulla        the lowest part of… …   Universalium

  • medulla oblongata — noun lower or hindmost part of the brain; continuous with spinal cord; ( bulb is an old term for medulla oblongata) the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning… …   Useful english dictionary

  • Medulla oblongata — The base of the brain, which is formed by the enlarged top of the spinal cord. This part of the brain directly controls breathing, blood flow, and other essential functions. * * * medulla ob·lon·ga·ta .äb .lȯŋ gät ə n, pl medulla oblongatas or… …   Medical dictionary

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