| 单词 | neural crest |
| 释义 | > as lemmasneural crest neural crest n. †(a) Zoology a crest on a neural bone or bone of the axial skeleton (obsolete); (b) Embryology a band of neuroectodermal tissue on each side of the line of closure of the neural tube, which separates into clusters of cells that give rise to various components of the peripheral nervous system, the adrenal medulla, pigment cells of the skin, etc. ΚΠ 1875 A. Gunther in Philos. Trans. (Royal Soc.) 165 264 In the second vertebra the neural arch is remarkably compressed and elevated, also provided with a high neural crest. 1882 Philos. Trans. (Royal Soc.) 173 367 The nerves arise as outgrowths of a special crest of cells, the neural crest of Marshall. 1907 Practitioner June 859 The posterior nerve-root ganglia are derived from the epiblastic neural crest, which develops along the dorsal aspect of the primitive spinal cord. 1989 B. Alberts et al. Molecular Biol. Cell (ed. 2) xvi. 887 In the head, many of the neural crest cells will differentiate into cartilage, bone, and other connective tissues. 1995 C. Nielsen Animal Evol. l. 394 The genesis of neural crest and epidermal placodes: a reinterpretation of vertebrate origins. < as lemmas |
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