tail bone
Spine's bottom tip
The tail bone is the coccyx—the small triangular bone at the base of the spine, formed from fused vertebrae.
It's the vestigial remnant of a tail in humans.
I bruised my tail bone when I slipped on the ice.
Also spelled as one word: tailbone.
- pelvisBony basin at waist
- spineColumn of vertebrae
- coccyxFused vertebrae forming tail
- pelvic girdleHip bone complex
- skeletonInternal supportive framework
base of spine · sacrum · lumbar spine · lower back · anatomy · vertebrae · weight distribution · fall injury · hip · human evolution · spinal column · evolutionary adaptation · dislocation · vertebral column · ligaments · surgical removal · inflammation · cartilage
- tails