In medicine, there are four levels of care: primary, secondary, tertiary, and quaternary. The levels of care refer to the complexity of the medical cases that healthcare providers treat and the skills ...

Wound healing is the process that the skin goes through as it repairs damage from wounds. There are three main types of wound healing, known as primary, secondary, and tertiary wound healing. Every ...

Adrenal insufficiency is a condition that develops when most of the adrenal gland is not functioning normally. Primary adrenal insufficiency arises due to the damage of the glands or because of using ...