[ US /mɪˈdəɫə, mɪˈduɫə/ ]
[ UK /mˈɛdʌlɐ/ ]
  1. 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
  2. the inner part of an organ or structure in plant or animal
  3. a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
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How To Use medulla In A Sentence

  • If you think of a piece of hair as a pencil, the medulla is the graphite, the cortex is the wood, and the paint on the outside is the cuticle. The Tenth Circle
  • `The knife severed the spinal cord just where it enters the medulla. WITHOUT REMORSE
  • Corticospinal and corticobulbar fibers descend in large bundles at this level, destined for the pyramids of the medulla oblongata.
  • The brainstem consists of the midbrain, pons and medulla, structures located deep in the back of the brain.
  • First, if the shaft of a long bone be hit above the junction of diaphysis and epiphysis, the cancellous tissue in and extending from the medullary cavity is pulverised, and examination of fragments from such fractures gives the impression of the inner aspect having been scraped clean. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre
  • The latter includes the diencephalon; mesencephalon, or midbrain; pons; and medulla oblongata.
  • It contains a double fold of pia mater, and its floor is formed by a transverse band of white substance, the anterior white commissure, which is perforated by bloodvessels on their way to or from the central part of the medulla spinalis. IX. Neurology. 3. The Spinal Cord or Medulla Spinalis
  • Summary: The difficulty in assessing femoral rotation during intramedullary nailing is well - established.
  • The latter includes the diencephalon; mesencephalon, or midbrain; pons; and medulla oblongata.
  • Nausea can also be of central origin, arising from direct excitation of medullary receptors by systemic toxins.
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