Every state and the District of Columbia has a board of nursing with a mission of protecting the public from harm. Governance of the practice of nursing includes: Establishing requirements for initial licensure and retaining: basic education, continuing education and/or competency. Interpreting scope of practice parameters, defined by state statute (nurse practice act)
  Avascular tissue is that which does not contain blood vessels or lymphatics. Examples include: The epithelial layer of the skin, cartilage, and the cornea and lens of â¦ the eye. There are some types of connective tissue that are composed of elastic fibers that are avascular, too.
Avascular necrosis is a disease resulting from the temporary or permanent loss of the blood supply to the bones. Without a blood supply, the bone tissue dies and this causes the bone to collapse.If the process involves a bone near a joint, it often leads to collapse of the joint surface.This disease also is known as osteonecrosis, aseptic necrosis, and ischemic bone necrosis.ithout a blood supply, the bone tissue dies and this causes the bone to collapse. If the process involves a bone near a joint, it often leads to collapse of the joint surface. This disease also is known as osteonecrosis, aseptic necrosis, and ischemic bone necrosis.