A
Amputation
Amputation can be above knee, through knee or below knee.
Analgesic
An analgesic is a substance that helps to alleviate pain.
Analgesics
Analgesics are painkillers.
Anatomy
Anatomy means the 'shape' of the structures in the body, and how the different parts correspond to one another. Page updated June 2024 by Dr Sheila Strover (Clinical Editor)
Aneural
Aneural means 'without a nerve supply'.
Aneurysm
An aneurysm is a 'blow-out' of a blood vessel at a point of weakness, where it may bulge or even rupture.
Angiogram
An angiogram is an X-ray investigation of the blood vessels, where a contrast agent is injected into the blood vessel and an X-ray taken.
Anterior
Anterior means 'in front' or 'in front of'.
Anterior compartment
The anterior compartment of the knee is the geometric space behind the kneecap, usually filled with the fat pad and functioning as a shock absorber. Page updated March 2024 by Dr Sheila Strover (Clinical Editor)
Anterior cruciate ligament
The anterior cruciate ligament (ACL) is one of two strong ligaments supporting the knee joint by binding the femur and tibia together while crossing over one another inside the knee. Page updated July 2024 by Dr Sheila Strover (Clinical Editor)