Glossary P

profound mental retardation is an IQ level below 20 or 25.

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Progenitor in the context of psychology refers to an individual or entity that serves as the origin or precursor of certain psychological traits, characteristics, or behaviors within a person or a Group. These progenitors can be genetic, environmental, or a combination of both, influencing the development of various psychological aspects in individuals. Understanding progenitors is essential in the study of psychology to comprehend the origins and influences that shape human behavior and mental processes.

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Progenitor cells refer to early cells lining the neural tube that proliferate to create the neurons and glia cells of the brain.

Progesterone is steroid hormone whichprepares the uterus for the implantation of a fertilized ovum and promotes the maintenance of pregnancy, among other functions.

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Progestin refers to a hormone used to maintain pregnancy that can cause masculinization of the fetus.

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Progestin pill refers to a birth control pill that contains only Progestin, a synthetic Progesterone, used to maintain pregnancy that can cause masculinization of the fetus.

Progestin-only birth control method refers to a contraceptive hormonal method that does not contain estrogen and works by changing a woman’s menstrual cycle.

Prognosis refers to the prediction of the course or outcome of a disorder; a client's likelihood of recovering from a disorder; predicted development of a disorder over time. The Prognosis predicts the outcome of a disease and therefore the future for the patient. His prognosis is grim, for example, while hers is good. The word Prognosis comes from the Greek "prognostikos" which means "of knowledge beforehand". It combines pro (before) and gnosis (a knowing). Hippocrates used the word prognosis, much as we do today, to mean a foretelling of the course of a disease.

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