coccyx

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coccyx

(kŏk`sĭks): see spinal columnspinal column,
bony column forming the main structural support of the skeleton of humans and other vertebrates, also known as the vertebral column or backbone. It consists of segments known as vertebrae linked by intervertebral disks and held together by ligaments.
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coccyx

[′käk‚siks]
(anatomy)
The fused vestige of caudal vertebrae forming the last bone of the vertebral column in humans and certain other primates.

coccyx

a small triangular bone at the end of the spinal column in man and some apes, representing a vestigial tail
References in periodicals archive ?
The coccyx or tail bone is connected to the tip of the sacrum.
Isaiah Thomas missed his fourth consecutive game with a bruised tail bone and elbow.
SACROILIAC JOINTS The sacroiliac joints are on either side of your tail bone or sacrum, joining it, on each side, to the ilium bone, the largest bones that form the outer walls of the pelvis.
Exercises specific to your core involve balancing on your tail bone with legs in the air and arms too if you choose, which really works your stomach muscles and helps stability and balance.
Wallace, the former Jefferson standout, did not play against Stanford or Cal State Bakersfield after suffering a contusion of his lower tail bone during the Beavers' victory over Cal.
Plus, you had all the accessories on your board: The reversible tail bone, the rails, and the nose piece, so you could get a good six months out of one of those things.
He ended up breaking a tail bone last year so I didn't want to be drawn the same side.
Despite wearing pads for the hips, tail bone and chest, a bullfighter doesn't have much protection.
While making their new film, frontman Johnny Knoxville was badly concussed three times and was crushed under a golf cart, fellow star Bam Margera broke his tail bone and ribs while team member Chris Pontius tore a knee cartilage.
He's found a tail bone from a meat-eating Allosaurus that shows a silver-dollar-size hole and a wide gash that a Stegosaurus' spike could have inflicted.