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A sequestrum (plural: sequestra) is a piece of dead bone [1] that has become separated during the process of necrosis from normal or sound bone. It is a complication (sequela) of osteomyelitis. The pathological process is as follows: infection in the bone leads to an increase in intramedullary pressure due to inflammatory exudates
Different types of bone markings and features. A condyle is the round prominence at the end of a bone, most often part of a joint – an articulation with another bone. [2] The epicondyle refers to a projection near a condyle, particularly the medial epicondyle of the humerus. [3] These terms derive from Greek. [4] [a]
Thermal effects (extremely high or low temperature) can often result in necrosis due to the disruption of cells, especially in bone cells. [16] Necrosis can also result from chemical trauma, with alkaline and acidic compounds causing liquefactive and coagulative necrosis, respectively, in affected tissues. The severity of such cases varies ...
Including the bones of the middle ear and the hyoid bone, the head contains 29 bones. Cranial bones (8) Occipital bone; Parietal bones (2) Frontal bone; Temporal bones (2) Sphenoid bone (sometimes counted as facial) Ethmoid bone (sometimes counted as facial) Facial bones (15) Nasal bones (2) Maxilla (upper jaw) (2) Lacrimal bone (2) Zygomatic ...
Avascular necrosis (AVN), also called osteonecrosis or bone infarction, is death of bone tissue due to interruption of the blood supply. [1] Early on, there may be no symptoms. [1] Gradually joint pain may develop, which may limit the person's ability to move. [1] Complications may include collapse of the bone or nearby joint surface. [1]
Anatomical terminology follows a regular morphology, with consistent prefixes and suffixes are used to modify different roots. The root of a term often refers to an organ or tissue . For example, the Latin name musculus biceps brachii can be broken down: musculus meaning muscle, biceps meaning "two-headed", and brachii referring to the arm ...
Specifically, the hip bone is dissected into three segments which are the sacroiliac segment, ischiopubic segment and acetabular segment. [12] Any changes in the shape of the sciatic notch of the sacroiliac segment indicate the sex and the sexual maturation of the skeleton. [12] Females have a larger sciatic notch. [13]
The two projections at the sides of the sacrum are called the alae (wings), and articulate with the ilium at the L-shaped sacroiliac joints. The upper part of the sacrum connects with the last lumbar vertebra (L5), and its lower part with the coccyx (tailbone) via the sacral and coccygeal cornua.