Sacrum

Os sacrum

The sacrum forms the posterior wall of the pelvis. The sacral promontory projects anteriorly at the lumbosacral junction. Four pairs of sacral foramina transmit sacral nerves. The sacral canal is the inferior continuation of the vertebral canal.

유형 Bone
신체 계통 Skeletal
신체 부위 Pelvis
라틴어 명칭 Os sacrum
FMA ID 16202

기능

A large triangular bone formed by the fusion of five sacral vertebrae. Transmits the weight of the upper body to the pelvis and lower limbs through the sacroiliac joints. Protects the pelvic organs posteriorly.

임상적 의의

Sacral fractures occur in high-energy trauma and insufficiency fractures in osteoporosis. Sacroiliac joint dysfunction is a common cause of low back pain. The sacral hiatus is used for caudal epidural anesthesia.

자주 묻는 질문

What is the Sacrum?
The sacrum forms the posterior wall of the pelvis. The sacral promontory projects anteriorly at the lumbosacral junction. Four pairs of sacral foramina transmit sacral nerves. The sacral canal is the inferior continuation of the vertebral canal.
What is the function of the Sacrum?
A large triangular bone formed by the fusion of five sacral vertebrae. Transmits the weight of the upper body to the pelvis and lower limbs through the sacroiliac joints. Protects the pelvic organs posteriorly.
What body system is the Sacrum part of?
The Sacrum is part of the Skeletal.
What conditions affect the Sacrum?
Sacral fractures occur in high-energy trauma and insufficiency fractures in osteoporosis. Sacroiliac joint dysfunction is a common cause of low back pain. The sacral hiatus is used for caudal epidural anesthesia.
Where is the Sacrum located?
The Sacrum is located in the Pelvis region of the body.

관련 구조물

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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