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Osteocytes synthesize sclerostin, a secreted protein that inhibits bone formation by binding to LRP5/LRP6 coreceptors and blunting Wnt signaling. [ 15 ] [ 7 ] Sclerostin, the product of the SOST gene, is the first mediator of communication between osteocytes, bone forming osteoblasts and bone resorbing osteoclasts, critical for bone remodeling ...
This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies.Most of them are combining forms in Neo-Latin and hence international scientific vocabulary.
Feedback from physical activity maintains bone mass, while feedback from osteocytes limits the size of the bone-forming unit. [32] [33] [34] An important additional mechanism is secretion by osteocytes, buried in the matrix, of sclerostin, a protein that inhibits a pathway that maintains osteoblast activity. Thus, when the osteon reaches a ...
Osteocytes do not entirely fill up the canaliculi. The remaining space is known as the periosteocytic space, which is filled with periosteocytic fluid. This fluid contains substances too large to be transported through the gap junctions that connect the osteocytes. In cartilage, the lacunae and hence, the chondrocytes, are isolated from each ...
Messing up pronunciations can be a source of both annoyance and amusement, but language learning platform Babbel has put together a handy guide to stop you putting your foot in it.
Osteoblasts and osteocytes are derived from osteoprogenitor cells, but osteoclasts are derived from the same cells that differentiate to form macrophages and monocytes. [21] Within the marrow of the bone there are also hematopoietic stem cells. These cells give rise to other cells, including white blood cells, red blood cells, and platelets. [22]
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The lacuna are situated between the lamellae, and consist of a number of oblong spaces.In an ordinary microscopic section, viewed by transmitted light, they appear as fusiform opaque spots.