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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 .)
Bahasa Indonesia; Interlingua; ... the periosteum of the neurocranium is known as the pericranium Human skull from the front Side bones of skull ...
This is covered by a membrane of connective tissue called the periosteum. Beneath the cortical bone layer is a layer of spongy cancellous bone . Inside this is the medullary cavity which has an inner core of bone marrow, it contains nutrients and help in formation of cells, made up of yellow marrow in the adult and red marrow in the child.
Bahasa Indonesia; Italiano; ... This is the periosteum of the skull bones, a membrane that provides nutrition to the bone and the capacity for repair.
Sometimes it refers specifically to the layer of tissue surrounding the orbit that consists of periosteum. [ 1 ] [ 2 ] However, it may refer to anything that is around the orbit, such as in periorbital cellulitis .
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).
Examples of periosteal reactive bone in selected specimens of Triceratops. A periosteal reaction can result from a large number of causes, including injury and chronic irritation due to a medical condition such as hypertrophic osteopathy, bone healing in response to fracture, chronic stress injuries, subperiosteal hematomas, osteomyelitis, and cancer of the bone.
The extra-cellular connective tissue between muscle fibers binds to tendons at the distal and proximal ends, and the tendon binds to the periosteum of individual bones at the muscle's origin and insertion. As muscles contract, tendons transmit the forces to the relatively rigid bones, pulling on them and causing movement.