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Fibrous membrane of articular capsule

Joint capsule
Joint.svg
Typical joint
Gray299.png
Diagrammatic section of a diarthrodial joint.
Details
Identifiers
Latin capsula articularis
Dorlands
/Elsevier
c_07/12211166
TA A03.0.00.026
FMA 34836
Anatomical terminology
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In anatomy, a joint capsule or articular capsule is an envelope surrounding a synovial joint. Each joint capsule has two parts: an outer fibrous layer or membrane, and an inner synovial layer or membrane.

Each capsule consists of two layers or membranes:

On the inside of the capsule, articular cartilage covers the end surfaces of the bones that articulate within that joint.

The outer layer is highly innervated by the same nerves which perforate through the adjacent muscles associated with the joint.

The fibrous membrane of the joint capsule is attached to the whole circumference of the articular end of each bone entering into the joint, and thus entirely surrounds the articulation. It is made up of dense irregular connective tissue.

Frozen shoulder (adhesive capsulitis) is a disorder in which the shoulder capsule becomes inflamed.

Plica syndrome is a disorder in which the synovial plica becomes inflamed and causes abnormal biomechanics in the knee.

Left clavicle. Inferior surface.

Right hip bone. External surface.

Right knee in extension. Deep dissection. Posterior view.

Right knee in extension. Deep dissection. Posterior view.

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)


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