coccyx

Spine's lowest point

The coccyx is the small triangular bone at the base of the spine, formed from fused vertebrae—the vestigial remnant of a tail.

Commonly called the tailbone: She bruised her coccyx in the fall.

The plural is coccyges or coccyxes.

anatomy

tailbone

Fused vertebrae at spine's base

pelvis · spinal · lumbar · gluteus · ischium · piriformis · pelvic-floor · sacroiliac · caudal · terminal

pain

ache

Persistent dull discomfort

bruising · inflammation · throbbing · chronic · acute · sciatica · shooting · numbness · tingling · swelling

sitting

cushion

Stuffed fabric for comfort

seat · chair · weight-bearing · relief · support · alignment · padding · discomfort · bench

vestigial

evolution

Species changing over generations

rudimentary · appendix · atavism · embryonic · regression · primate · mammalian · homologous · degenerate

injury

fracture

Split in hard material

  • bruiseDiscolored tissue injury
  • fallDescend under gravity
  • traumaLasting psychological wound

impact · dislocation · contusion · childbirth · broken · recovery · healing · imaging · manipulation · surgery

Categories
Family

coccygeal

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Rated G