coccygeal vertebra

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Noun1.coccygeal vertebra - one of 4 vertebrae in the human coccyx
coccyx, tail bone - the end of the vertebral column in humans and tailless apes
vertebra - one of the bony segments of the spinal column
References in periodicals archive ?
Normally, the cartilaginous costal primordium of the first coccygeal vertebra joins the vertebral column in early development, and lateral parts get lost through apoptosis, but in some people, they persist and form the pelvic digit (3).