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Cutis laxa and Williams syndrome have elastic matrix defects that have been directly associated with alterations in the elastin gene. Alpha-1 antitrypsin deficiency is a genetic disorder where elastin is excessively degraded by elastase, a degrading protein released by neutrophils during the inflammatory response.
All of the special connective tissue types have been included as a subset of fascia in the fascial system, with blood and lymph classed as liquid fascia. [14] [15] Bone and cartilage can be further classified as supportive connective tissue. Blood and lymph can also be categorized as fluid connective tissue, [2] [16] [17] and liquid fascia. [14]
A fibroblast is a type of biological cell typically with a spindle shape [1] that synthesizes the extracellular matrix and collagen, [2] produces the structural framework for animal tissues, and plays a critical role in wound healing. [3] Fibroblasts are the most common cells of connective tissue in animals.
Collagen (/ ˈ k ɒ l ə dʒ ə n /) is the main structural protein in the extracellular matrix of a body's various connective tissues. As the main component of connective tissue, it is the most abundant protein in mammals. [1] 25% to 35% of a mammalian body's protein content is collagen.
Such proteins serve protective and structural roles by forming connective tissue, tendons, bone matrices, and muscle fiber. Fibrous proteins consist of many families including keratin, collagen, elastin, fibrin or spidroin. Collagen is the most abundant of these proteins which exists in vertebrate connective tissue including tendon, cartilage ...
Elastin is a protein encoded by the ELN gene in humans and several other animals. Elastin is a key component in the extracellular matrix of gnathostomes (jawed vertebrates). [5] It is highly elastic and present in connective tissue of the body to resume its shape after stretching or contracting. [6]
The connective tissue fibers within bat wing skin consists of collagen and elastin fiber bundles arranged in a "regular mesh like scaffolding", [13] which the nerves, skeletal muscle fibers and blood vessels embed themselves into.
Type I collagen can be found in a myriad of different places in the body, mainly forming the matrix of connective tissues. It is present in scar tissue as well as tendons , ligaments , the endomysium of myofibrils , the organic part of bone , the dermis , the dentin , and organ capsules.