A __________ is a wound caused by a pointed object piercing the skin, such as a nail, a piece of glass, a weapon, or other debri
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Answer:
Explanation:
Fracture healing is a complex process that requires the recruitment of appropriate cells and the subsequent expression of appropriate genes at the right time and in the right anatomical location. Bones are richly supplied with blood vessels. Most apparent are the nutrient arteries (one or more per bone) that arises from adjacent arteries outside the bone and enter the bone through the nutrient foramina. The nutrient artery divide in the medullary cavity into ascending and descending branches. Blood get to the bone cells through the haversian systems or osteons which are microscopic canal systems that house the blood vessels. The end of bones are supplied by epiphyseal and metaphyseal arteries.
