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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.
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.
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 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.
The trabecular bone consists of cancellous bone that is located between the alveolar bone proper and the cortical plates. [ 15 ] The alveolar structure is a dynamic tissue which provides the jawbone with some degree of flexibility and resilience for the embedded teeth as they encounter numerous multi-directional forces.
Bone marrow is a semi-solid tissue found within the spongy (also known as cancellous) portions of bones. [2] In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). [3] It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells.
Inside of a bone showing the trabecular structure A typical carcinoid tumor of the lung showing a trabecular pattern of elongated groups of cells.. A trabecula (pl.: trabeculae, from Latin for 'small beam') is a small, often microscopic, tissue element in the form of a small beam, strut or rod that supports or anchors a framework of parts within a body or organ.
The cortical alveolum (pl. cortical alveoli) is a cellular organelle consisting of a vesicle located under the cytoplasmic membrane, to which they give support. The term " corticate " comes from an evolutionary hypothesis about the common origin of kingdoms Plantae and Chromista , because both kingdoms have cortical alveoli in at least one phylum.