coccyx definition

  • noun:
    • a tiny triangular bone in the base of the backbone in humans and tailless apes, comprising several fused rudimentary vertebrae. Also referred to as tailbone.
    • the last fused vertebrae at root of the back.
    • The end of the vertebral line beyond the sacrum in man and tailless monkeys. It really is composed of a few vertebr√¶ more or less consolidated.
    • In human anatomy, the area of the spinal column comprising the very last four bones, the caudal vertebr√¶ or tail-bones, which are stunted and in most cases ankylosed together. See cut under skeleton.
    • In comparative structure and zoology, the caudal vertebr√¶, whenever couple of and tiny, or ankylosed together; the bony tail itself, when short, like in a bird.
    • the end of the vertebral column in people and tailless apes

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