Glossary P

Petites perceptions is a term which according to Leibniz refer to a perception that occurs below the level of awareness because only a few monads are involved.

Peyote is a type of a Cactus plant, the top of which called a "button" is dried and ingested for its hallucinogenic properties

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Peyronie’s disease is defined as the abnormal calcifications in the penis, which may cause painful curvature, usually making sexual intercourse impossible.

PGO wave refers to pattern of high-amplitude electrical potentials that occurs first in the Pons, then in the Lateral geniculate, and finally in the Occipital cortex

pH is defined as a measure of the acidity of a solution; calculated as the negative log10 of the [H+] in which 7 is neutral; values that are >7 are basic and <7 are acidic.

Phagocytosis is the process by which Phagocytes ingest and attempt to eliminate a foreign invader; the process of engulfing and killing foreign particles. Moreover, Phagocytosis is a process by which immune cells, such as Macrophages destroy germs or viruses by engulfing them and breaking them down.

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Phallic Stage refers to the third stage in Freud's developmental theory, during which the Oedipal crisis takes place and the superego develops.

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Phalloplasty is defined as a transgender operation in which a penis is artificially constructed.

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