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单词 medulla
释义

WordReference Random House Learner's Dictionary of American English © 2024
me•dul•la /məˈdʌlə/USA pronunciation   n. [countable], pl. -dul•las, -dul•lae 
    /-ˈdʌli/.USA pronunciation  
  1. Anatomythe lowest or hindmost part of the brain of humans and of animals with backbones.

WordReference Random House Unabridged Dictionary of American English © 2024
me•dul•la  (mə dulə),USA pronunciation n., pl. -dul•las, -dul•lae 
    (-dulē).USA pronunciation 
  1. Anatomy
    • the marrow of the bones.
    • the soft, marrowlike center of an organ, as the kidney or adrenal gland.
    • See medulla oblongata. 
  2. Botanythe pith of plants.
  • Latin: marrow, pith
  • 1635–45

Collins Concise English Dictionary © HarperCollins Publishers::
medulla /mɪˈdʌlə/ n ( pl -las, -lae / -liː/)
  1. the innermost part of an organ or structure
  2. short for medulla oblongata
  3. another name for pith
Etymology: 17th Century: from Latin: marrow, pith, probably from medius middle

meˈdullary, meˈdullar adj
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