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单词 medulla
释义 Noun: medulla (medullae,medullas)  mi'dúlu
  1. A white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
    - myelin, myeline 
  2. Lower or hindmost part of the brain; continuous with spinal cord
    "the medulla oblongata is the most vital part of the brain because it contains centres controlling breathing and heart functioning"
    - medulla oblongata, bulb [archaic] 
  3. The inner part of an organ or structure in plant or animal

Derived forms: medullas, medullae

See also: medullary, medullated

Type of: animal tissue, fat, neural structure, plant tissue

Antonym: cortex

Part of: brain stem, brainstem, brain-stem, medullary sheath, myelin sheath

Encyclopedia: Medulla Medulla, FL Medulla, Florida

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更新时间:2024/12/21 16:20:08