nuchal definition

  • noun:
    • The back of the neck
    • One of two or more dishes forming an element of the covering associated with the dorsal part of the neck in reptiles. The term is generally placed on the well-marked bony dishes of crocodiles but in addition, like in lizards, to horny plates or shields.
  • adjective:
    • Of or regarding the trunk or nape associated with neck.
    • Of, related to, or in the spot of, the back, or nape, regarding the neck; -- applied specially toward anterior median dish inside carapace of turtles.
  • others:
    • Of or pertaining to the nucha or nape: as, the nuchal muscles.
    • In entomology:
    • Situated superiorly, simply behind the pinnacle: stated particularly of ornaments, processes, etc., on an insect-larva.
    • Of or with respect to the metanotal nucha.
    • inside trilobites, regarding the axial section and groove during the root of the cephalon.

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