Atlas (C1) vs Femur
| Property | Atlas (C1) | Femur |
|---|---|---|
| Latin Name | Atlas | Os femoris |
| Type | Bone | Bone |
| Body System | Skeletal | Skeletal |
| Body Region | Spine | Thigh |
| Function | The first cervical vertebra that supports the skull. Allows nodding movements (flexion and extension) of the head at the atlanto-occipital joint. | The longest and strongest bone in the human body. Bears the weight of the body and provides attachment for powerful thigh muscles. Transmits body weight from the hip to the … |
| Clinical Significance | Jefferson fractures (burst fractures of the atlas) result from axial loading. Atlanto-occipital dislocation is usually fatal. Congenital anomalies include atlas assimilation (occipitalization). | Femoral neck fractures are common in elderly patients with osteoporosis. Femoral shaft fractures result from high-energy trauma. The femoral head is susceptible to avascular necrosis. |
| FMA ID | 12519 | 24474 |
Full structure pages
Atlas (C1)
Atlas
Ring-shaped and unusual in lacking both a vertebral body and a spinous process, the atlas is the first cervical vertebra and supports the skull. Its structure consists of anterior and posterior arches joined by two …