None. Plethysmography is a noninvasive diagnostic manometric study used to measure changes in the size of blood vessels by determining volume changes in the blood vessels of the eye, extremities, and neck or to measure gas volume changes in the lungs.
1. countable noun [usually with poss] A guardian is someone who has been legally appointed to look after the affairs of another person, for example a child or someone who is mentally ill. 2. countable noun. The guardian of something is someone who defends and protects it.
Parens Patriae. Parens Patriae: Legal term that defines the State's legal role as the guardian to protect the interests of children who cannot take care of themselves.For example, in an abuse or neglect case, this concept is used to explain the State's duty to protect minor children who lack proper care and custody from their parents.arens Patriae. Parens Patriae: Legal term that defines the State's legal role as the guardian to protect the interests of children who cannot take care of themselves.