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X 100. a, Haversian canals; b, lacunae seen from the side; ... In histology, a lacuna is a small space, containing an osteocyte in bone, [1] or chondrocyte in cartilage.
Bone canaliculi are microscopic canals between the lacunae of ossified bone. The radiating processes of the osteocytes (called filopodia) project into these canals. These cytoplasmic processes are joined together by gap junctions. Osteocytes do not entirely fill up the canaliculi.
Each Haversian canal generally contains one or two capillaries and many nerve fibres. The channels are formed by concentric layers called lamellae , which are approximately 50 μm in diameter . The Haversian canals surround blood vessels and nerve cells throughout bones and communicate with osteocytes (contained in spaces within the dense bone ...
Each osteon consists of concentric layers, or lamellae, of compact bone tissue that surround a central canal, the Haversian canal. The Haversian canal contains the bone's blood supplies. The boundary of an osteon is the cement line. Each Haversian canal is surrounded by varying number (5-20) of concentrically arranged lamellae of bone matrix.
Bone canaliculus, a small channel found in ossified bone for nutrition for example in the Haversian canal; A small canal (anatomy) in bone which carries some structure (such as a nerve) through it; Canaliculus (parietal cell), an adaptation found on gastric parietal cells; The lacrimal canaliculi, several small ducts in the eye
Volkmann's canals, also known as perforating holes or channels, are anatomic arrangements in cortical bones that allow blood vessels to enter the bones from periosteum. They interconnect the Haversian canals (running inside osteons ) with each other and the periosteum.
Inside the $5.5 billion canal that will connect Paris to European waterways – and dig up the Western Front July 11, 2023 at 5:00 AM In a corner of northeast France, the ground rumbles with industry.
Each column is multiple layers of osteoblasts and osteocytes around a central canal called the osteonic canal. Volkmann's canals at right angles connect the osteons together. The columns are metabolically active, and as bone is reabsorbed and created the nature and location of the cells within the osteon will change.