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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 me·dul·la /məˈdʌlə/
 骨髓,髓質,延髓

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 me·dul·la /məˈdələ, ˈdʊl-/ 名詞
 髓質(解)Medulla

From: Webster's Revised Unabridged Dictionary (1913)

 Me·dul·la n.
 1. Marrow; pith; hence, essence. [Obs.]
 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.
 3. Bot. A soft tissue, occupying the center of the stem or branch of a plant; pith.
 Medulla oblongata.  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.
 

From: WordNet (r) 2.0

 medulla
      n 1: a white fatty substance that forms a medullary sheath around
           the axis cylinder of some nerve fibers [syn: myelin, myeline]
      2: 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" [syn: medulla oblongata, bulb]
      3: the inner part of an organ or structure in plant or animal
         [ant: cortex]
      [also: medullae (pl)]