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.
Epithelial tissue cells are avascular so they are nourished by substances diffusing from blood vessels in the underlying connective tissue. Oxygen is diffused through the ba â¦ sal lamina. Learning About Arthritis: Ehler's Danlos Symptoms Ehler's Danlos symptoms are different than the symptoms of most other types of arthritis. 2  This inherited disorder affects your joints, skin, and blood vessels.