Glossary P

Pituitary Gland refers to the major Endocrine gland that lies partly on the outgrowth of the brain and just below the hypothalamus; produces the largest number of different hormones and controls the secretions of other endocrine glands; a gland located at the base of and controlled by the brain that secretes the hormones responsible for growth and organ development. Moreover, Pituitary Gland is a a "master gland" located at the base of the brain that regulates the endocrine glands and produces growth hormone.

Pituitary stalk which is also known as the Infundibular stalk refers to the axon bundle extending from the hypothalamus to the posterior region of the pituitary. This connection mediates the release of oxytocin and antidiuretic hormone directly into the bloodstream.

Pituitary Tumors refer to tumors that arise from the Pituitary Gland. It is traditional to divide pituitary tumors into functioning and non-functioning Adenomas.

Pixilated also called Pixillated means mentally unbalanced; eccentric. Also means whimsical. Pixilated is from the word Pixie, a mischievous fairy-like creature.

PKU is the abbreviations of Phenylketonuria, a Genetic disorder affecting the Metabolism of phenylalanine. If left untreated, mental retardation, hyperactivity and other cognitive d

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Place of articulation refers to the location where the airflow is obstructed as a consonant is produced.

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Place theory is the Theory that higher and lower tones excite specific areas of the cochlea. It is a concept that Pitch perception depends on which part of the inner ear has cells with the greatest activity level

Place theory of Hearing is the proposal that the frequency of a sound is indicated by the place along the organ of Corti at which nerve firing is highest. Modern Place Theory is based on Békésy’s traveling wave Theory of Hearing.