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4 definitions found

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

 no·to·chord /ˈnotəˌkɔrd/
 脊索

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

 no·to·chord /ˈnotəˌkɔ(ə)rd/ 名詞
 脊索

From: Webster's Revised Unabridged Dictionary (1913)

 No·to·chord n.  Anat. An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebrae and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.
 

From: WordNet (r) 2.0

 notochord
      n : a flexible rodlike structure that forms the supporting axis
          of the body in the lowest chordates and lowest
          vertebrates and in embryos of higher vertebrates