Axis (C2) vs Femur
| Eigenschaft | Axis (C2) | Femur |
|---|---|---|
| Lateinischer Name | Axis | Os femoris |
| Typ | Bone | Bone |
| Körpersystem | Skeletal | Skeletal |
| Körperregion | Spine | Thigh |
| Funktion | The second cervical vertebra that provides a pivot point for rotation of the head. The dens (odontoid process) projects superiorly and acts as the axis around which the atlas rotates. | 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 … |
| Klinische Bedeutung | Odontoid fractures are common cervical spine injuries, especially in elderly patients. Hangman's fracture involves bilateral pars interarticularis fractures of C2. Atlantoaxial instability occurs in rheumatoid arthritis and Down syndrome. | 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 | 12520 | 24474 |
Full structure pages
Axis (C2)
Axis
The second cervical vertebra, the axis provides the pivot around which the head rotates. Its defining feature is the dens, or odontoid process, a tooth-like projection that extends superiorly from the body to articulate with …