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Diagram of cartilage cells called chondroblasts. Date: 30 July 2014 (released by CRUK) Source: Original email from CRUK: Author: Cancer Research UK: Permission (Reusing this file) This image has been released as part of an open knowledge project by Cancer Research UK. If re-used, attribute to Cancer Research UK / Wikimedia Commons
The initiation of endochondral ossification starts by proliferation and condensation of mesenchymal cells in the area where the bone will eventually be formed. Subsequently, these mesenchymal progenitor cells differentiate into chondroblasts, which actively synthesize cartilage matrix components.
The cartilage cells or chondrocytes are contained in cavities in the matrix, called cartilage lacunae; around these, the matrix is arranged in concentric lines as if it had been formed in successive portions around the cartilage cells. This constitutes the so-called capsule of the space.
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Medical condition Osteochondritis dissecans A large flap lesion in the femur head typical of late stage Osteochondritis dissecans. In this case, the lesion was caused by avascular necrosis of the bone just under the cartilage. Pronunciation / ˌ ɒ s t i. oʊ k ɒ n ˈ d r aɪ t ɪ s ˈ d ɪ s ɪ k æ n z / Specialty Orthopedic surgery Osteochondritis dissecans (OCD or OD) is a joint disorder ...
The term navicular bone or hand navicular bone was formerly used for the scaphoid bone, [1] one of the carpal bones of the wrist. The navicular bone in humans is located on the medial side of the foot, and articulates proximally with the talus, distally with the three cuneiform bones, and laterally with the cuboid.
Autologous articular cartilage transfer from a non-weight-bearing area to the damaged area, called osteochondral autograft transfer system, is one possible procedure that is being studied. [147] When the missing cartilage is a focal defect, autologous chondrocyte implantation is also an option.
There are three cuneiform ("wedge-shaped") bones in the human foot: the first or medial cuneiform; the second or intermediate cuneiform, also known as the middle cuneiform; the third or lateral cuneiform; They are located between the navicular bone and the first, second and third metatarsal bones and are medial to the cuboid bone. [1]