Glossary P

Periodic Limb Movements in Sleep or PLMS refers to a sleeping disorder in which the patient's arms or legs jerk during sleep, causing brief arousals. (see also Periodic limb movement disorder)

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Periodicity pitch refers to the constancy of a complex tone’s pitch when the fundamental frequency and other lower harmonics are eliminated. (Please see also Effect of the missing fundamental)

Periosteum refers to the dense, fibrous membrane covering the outer surface of the diaphysis.

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Periovulatory period refers to a period of time just before and after the release of the ovum, when fertility is highest.

Peripheral cues are simple features or heuristics that are assumed to show that a message is valid

Peripheral nervous system refers to all nerves coming off of the spinal cord

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- Peripheral Nervous System (PNS) : portion of the nervous system located outside the spinal cord and brain that contains the sensory and motor divisions of all the nerves throughout the body except those found in the Central Nervous System or CNS

Peripheral neuropathy refers to the dysfuntion of the Peripheral Nervous System causing sensory loss