A secreted hormone that is perceived by a second individual of the same species.
Pheochromocytoma
Benign tumor int he adrenal medulla that results in excessive catechoamine secretion.
Pharynx
The upper widened part of the digestive tract and respiratory system, between the esophagus below the mouth and nasal cavities and in front.
Pharyngotympanic Tube
A tube connecting the middle ear to the pharynx; the eustachian tube.
Pharyngeal Tonsils
Also known as adenoids; collection of lymphoid tissue in the nasopharynx.
Phagosome
A cavity formed by the two extensions of the cytoplasm of a phagocyte that fuse, engulfing the”foreign” tissue into the cytoplasm.
Phagocytosis
Cell eating; vesicle contents are brought into the cell by endocytosis and digested by enzymes present in the cell.
Petrissage
A massage technique in which the tissue is repetitivly compressed, dragged, lifted and released against underlying structures.