Coccyx

Os coccygis

The coccyx is a small triangular bone at the inferior end of the vertebral column. It articulates superiorly with the sacrum at the sacrococcygeal joint. The coccygeal cornua project superiorly to articulate with the sacral cornua.

Type Bone
Système corporel Skeletal
Région corporelle Pelvis
Structure parente bone of dorsum
Nom latin Os coccygis
FMA ID 20229

Fonction

The vestigial tailbone formed by fusion of 3-5 coccygeal vertebrae. Provides attachment for ligaments and muscles of the pelvic floor. Serves as a weight-bearing structure when sitting.

Signification clinique

Coccydynia (tailbone pain) results from falls or prolonged sitting on hard surfaces. Coccygeal fractures and dislocations can occur during childbirth. Rarely, pilonidal cysts develop in the sacrococcygeal region.

Questions fréquentes

What is the Coccyx?
The coccyx is a small triangular bone at the inferior end of the vertebral column. It articulates superiorly with the sacrum at the sacrococcygeal joint. The coccygeal cornua project superiorly to articulate with the sacral cornua.
What is the function of the Coccyx?
The vestigial tailbone formed by fusion of 3-5 coccygeal vertebrae. Provides attachment for ligaments and muscles of the pelvic floor. Serves as a weight-bearing structure when sitting.
What body system is the Coccyx part of?
The Coccyx is part of the Skeletal.
What conditions affect the Coccyx?
Coccydynia (tailbone pain) results from falls or prolonged sitting on hard surfaces. Coccygeal fractures and dislocations can occur during childbirth. Rarely, pilonidal cysts develop in the sacrococcygeal region.
Where is the Coccyx located?
The Coccyx is located in the Pelvis region of the body.

Structures associées

fin bone bone of fin bone element bone bone fossa concavities subdivision of skeletal system skeletal system part skeletal joint articular joint radial element actinost Atlas (C1) Atlas skeleton set of all bones

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