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 of the Hip Avascular necrosis also called osteonecrosis, refers to a painful condition which results from lack of blood supply to bone tissue gradually leading to bone death, collapseof the bone, collapse of articular cartilage covering the bone and finally to disabling arthritis. Read More.