Category: P
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Pituitary myxedema
Myxedema occurring secondary to anterior pituitary hypofunction.
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Progressive myopia
Myopia that increases steadily during adult life.
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Prodromal myopia
Myopia, seen in incipient cataract, in which reading without glasses becomes possible.
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Paralytic mydriasis
Mydriasis resulting from paralysis of the oculomotor nerve.
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Procerus muscle
A muscle that arises in the skin over the nose and is connected to the forehead. It acts to draw the eyebrows down. Covers the bridge of the nose, lowers the eyebrows, and causes wrinkles across the bridge of the nose.
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Preaxial muscle
A muscle on the anterior or ventral aspect of a limb.
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Pectinate muscle
A ridge of myocardium on the inner wall of either atrium of the heart.
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Pulmonary murmur
A murmur produced at the orifice of the pulmonary artery.
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Presystolic murmur
A murmur occurring just before systole, due to mitral or tricuspid obstruction.
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Purposeful movement
Motor activity requiring the planned and consciously directed involvement of the patient. It is hypothesized that evoking cortical involvement in movement patterns during sensorimotor rehabilitation will enhance the development of coordination and voluntary control.