Glossary P

Glossary P

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

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.

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

Phallic stage refers to a period of psychosexual development in which the genital area of the body is the focus of the child's sexual feelings.

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