Anatom3DZona orbicularis
Zona orbicularis · Kruhové pásmo pouzdra kyčelního kloubu
Joints & cartilage
Looks like
A ring of circular capsule fibres around the narrowest part of the femoral neck, like a collar.
What it does
Hugs the neck and helps keep the femoral head seated in the socket.
Keeping it well
Seen in hip arthroscopy and ultrasound; not a separate source of disease.
Related conditions
- Avascular necrosis (osteonecrosis)
- Bone metastases and spinal cord compression
- Developmental dysplasia of the hip
- Gout
- Haemophilia & bleeding disorders
- Lyme disease
- Marfan syndrome & connective tissue disorders
- Osteoarthritis
- Perthes disease
- Psoriatic arthritis
- Rheumatic fever & rheumatic heart disease
- Rheumatoid arthritis
- Septic arthritis
- Slipped capital femoral epiphysis
- Systemic lupus erythematosus
- Temporomandibular joint disorder