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Living-related conjunctival limbal allograft (lr-CLAL) is a type of ocular surface stem cell transplantation (OSST) that treats limbal stem cell deficiency (LSCD). [ 1 ] lr-CLAL has been shown to stabilize the ocular surface by providing both limbal and conjunctival stem cells where prior KLAL(keratolimbal allograft) has failed.
Additionally the collagen is plied in various directions around the bone. Bone has two structural forms; cortical and cancellous. [2] The viscoelasticity of bone can therefore arise from the void collapse and deossification of cancellous bone and the natural viscoelastic response of collagen as a polymer. [1] [2]
The transplant is called an allograft, allogeneic transplant, or homograft. Most human tissue and organ transplants are allografts. It is contrasted with autotransplantation (from one part of the body to another in the same person), syngenic transplantation of isografts (grafts transplanted between two genetically identical individuals) and ...
Diagram of a typical long bone showing both cortical (compact) and cancellous (spongy) bone. Haversian canals [i] (sometimes canals of Havers, osteonic canals or central canals) are a series of microscopic tubes in the outermost region of bone called cortical bone. They allow blood vessels and nerves to travel through them to supply the osteocytes.
Diagram of a typical long bone showing both compact (cortical) and cancellous (spongy) bone. Osteons on cross-section of a bone. In osteology, the osteon or haversian system (/ h ə ˈ v ɜːr. ʒ ən /; named for Clopton Havers) is the fundamental functional unit of much compact bone.
Micrograph of cancellous bone. Cancellous bone or spongy bone, [12] [11] also known as trabecular bone, is the internal tissue of the skeletal bone and is an open cell porous network that follows the material properties of biofoams. [13] [14] Cancellous bone has a higher surface-area-to-volume ratio than cortical bone and it is less dense. This ...
Demineralized freeze dried bone allograft, referred to as DFDBA, is a bone graft material known for its de novo bone formation properties. [1] It is used extensively in bone grafting of alveolar bone in oral and periodontal surgery.
Autologous matrix-induced chondrogenesis (AMIC) is a treatment for articular cartilage damage.It combines microfracture surgery with the application of a bi-layer collagen I/III membrane.