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This endosteal surface is usually resorbed during long periods of malnutrition, resulting in less cortical thickness. [3] The outer surface of a bone is lined by a thin layer of connective tissue that is very similar in morphology and function to endosteum. It is called the periosteum, or the periosteal surface.
The periosteum is a membrane that covers the outer surface of all bones, [1] except at the articular surfaces (i.e. the parts within a joint space) of long bones. (At the joints of long bones the bone's outer surface is lined with "articular cartilage", a type of hyaline cartilage.)
This newly formed bone can be called "periosteal bone" as it originates from the transformed periosteum. However, considering its developmental pathway, it could be classified as "intramembranous bone". [8] After the formation of the periosteum, chondrocytes in the primary center of ossification begin to grow (hypertrophy).
Calvarial bones are supplied by endosteal and periosteal sheaths which are innervated by the nociceptors, sensory, sympathetic, and parasympathetic nerves. Horizontal section of the mouse pups showed that the density of nerve fibers was highest in the region of forehead, temples, and the back of head which crossing the frontal, parietal, and ...
The lengthy process of putting the retired space shuttle Endeavour on display in the vertical launch position will begin this month in Los Angeles. The California Science Center announced Thursday ...
Transfers that have been disclosed publicly include a new space monitoring center, which features two of the world’s most powerful telescopes, plus two Earth observation satellites launched in ...
In the late 1980s NASA began to consider replacing its previous neutral-buoyancy training facility, the Weightless Environment Training Facility (WETF). The WETF, located at Johnson Space Center, had been successfully used to train astronauts for numerous missions, but its pool was too small to hold useful mock-ups of space station components of the sorts intended for the mooted Space Station ...
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