Month: December 2020

  • Prehension

    An act of taking hold, seizing, or grasping. The primary function of the hand; includes pinching, grasping, and seizing.  

  • Pregnant

    Pregnant

    To enlarge. Specifically, the condition following fertilization of the egg through the birth process. With an unborn child in the uterus.  

  • Pregnancy

    The period of fertilization of the egg through the birth of a baby. Same as gestation period. The condition of being pregnant. The process of a mother growing a baby in her body, from the fertilized egg (ovum) no bigger than the dot on this letter ā€œiā€ to a child perhaps 20 inches long and…

  • Pre-generalized learning

    Learning of prejudicial labels and the evaluations attached to them before a person has a clear understanding of what the labels mean.  

  • Pregavid

    Preceding pregnancy  

  • Prefrontal lobotomy

    A form of psychosurgery involving the severing of the nerves that connect the prefrontal lobe of the brain with the hypothalamus. A procedure, now considered obsolete, to cut the nerves connecting the frontal lobe to the rest of the brain. The procedure gained popularity in the mid-1930s and was hailed as a major step forward…

  • Prefrontal lobe

    The forward part of the frontal lobes of the brain. An area of the brain in the front part of each hemisphere, in front of the frontal lobe, which is concerned with memory and learning. Region of the brain at the front part of each cerebral hemisphere; it is concerned with learning, memory, emotions, and…

  • Preformation theory

    A discredited biological theory that stated that every sperm cell contains the organism of its kind fully formed and that development consists merely of an increase in size, epigenesis.  

  • Preformationist

    One who considers the development of an embryo as merely the growth of a miniature but completely formed individual, homunculus.  

  • Preferred provider organization

    A prepaid insurance plan or policy in which member hospitals and/or physicians contract with a third-party payer to deliver health services for negotiated fees, generally at a discount. An alternative delivery system (ADS) designed to compete with health maintenance organizations (HMOs) and other delivery systems. A PPO is stated to be an arrangement involving a…