Reticular fibers, reticular fibres or reticulin is a type of fiber in connective tissue[1] composed of type III collagen secreted by reticular cells.[2] They are mainly composed of reticulin protein and form a network or mesh. Reticular fibers crosslink to form a fine meshwork (reticulin). This network acts as a supporting mesh in soft tissues such as liver, bone marrow, and the tissues and organs of the lymphatic system.[3]
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