Articular Cartilage

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In cephalopods, the models used for the studies of cartilage are Octopus vulgaris and Sepia officinalis. The cephalopod cranial cartilage is the invertebrate cartilage that shows more resemblance to the vertebrate hyaline cartilage. The growth is though to take place throughout the movement of cells from the periphery to the center. The chondrocytes present different morphologies related to their position in the tissue. The embryos of Sepia officinalis express ColAa, ColAb and hyaluronan in the cranial cartilages and other regions of chondrogenesis. This implies that the cartilage is fibrillar-collagen-based. The Sepia officinalis embryo expresses hh, whose presence causes ColAa and ColAb expression and is also able to maintain proliferating cells undiferentiated. It has been observed that this species presents the expression SoxD and SoxE, analogs of the vertebrate Sox5/6 and Sox9, in the developing cartilage. The cartilage growth pattern is the same than in vertebrate cartilage.

Keywords: articulare, articularis, articular surface, articular architekten, articular cartilage, articular, articularis superior, articularis genus,


Photogallery Articular Cartilage:


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage


Articular Cartilage