Lunate
Os lunatum is the Latin pronunciation for lunate bone also known as semi lunar bone. This name is given to it because of its shape resembles to that of crescent moon. It is one of the carpal bones in human hand. It can be easily identified by its concave and crescent outline. It is located in the midst of proximal carpal bones which are in between the ulna, radius and hand.
read more
Lunate
ANATOMY
Lunate is a crescent shaped carpal bone of the hand found within the proximal row of carpal bones. It lies near to the radius, joins laterally with scaphoid, medially with triquetral and distally with capitate. It also forms a joint distally with hamate bone.
LIGAMENTS
Lunate bone depends on ligaments for stability. It is attached by a Medial ligament to scaphoid, lateral ligament to triquetrum. There are also ligaments linking Lunate with radius and other carpal bones.
BLOOD SUPPLY
The blood supply to lunate is provided by the branches of radial artery.
FUNCTION
Along with other carpal bone, Lunate bone provides structure to the wrist and allows greater range of movements.
INJURIES
Lunate bone is one of the most common bones to dislocate among carpal bones.
The disease associated with this bone is called Kienbock’s Disease.
Report Error
