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Haversian canals [i] (sometimes canals of Havers, osteonic canals or central canals) are a series of microscopic tubes in the outermost region of bone called cortical bone. They allow blood vessels and nerves to travel through them to supply the osteocytes .
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.
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.
This is a list of regions of California, organized by location. Northern California. Central California. Central California. Central Valley; Central Coast (North) ...
In bovine tibia diameter of canaliculi was found to vary from 155 to 844 nm (average 426 nm). [2] In mice humeri it varies from 80 to 710 nm (average 259 nm), while diameter of osteocytic processes varies from 50 to 410 nm (average 104 nm).
X 100. a, Haversian canals; b, lacunae seen from the side; c, others seen from the surface in lamella, which are cut horizontally. Nucleated bone cells and their processes, contained in the bone lacunae and their canaliculi respectively.
The UC team said California could meet about 15% its electricity demand with solar panels on all 4,000 or so miles of canal statewide. That’s a quarter of the way to the mandate for 60% climate ...
Patowmack Canal (Potomac Canal) MD: 1795 1828 Consists of the Little Falls Canal, Great Falls Canal, Seneca Falls Canal, Payne's Falls Canal, and House Falls Canal VA: Pawtucket Canal: MA: 1796 Pennsylvania Canal: PA: Pennsylvania and Ohio Canal: PA: 1840 1877 82 mi (132 km) OH: Portage Canal: WI: 1876 1951 2 mi (3.2 km) Powell's Canal: VA