phenomenon
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～ any state or process known through the senses rather than by intuition or reasoning
phenoplast
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～ a thermosetting resin
phenothiazine
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～ a compound used primarily in veterinary medicine to rid farm animals of internal parasites
phenotype
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～ what an organism looks like as a consequence of the interaction of its genotype and the environment
phenoxymethyl penicillin
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～ a crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids
phensuximide
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～ anticonvulsant (trade name Milontin) used to treat petit mal
phentolamine
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～ a virility drug (trade name Vasomax) to treat erectile dysfunction in men
phenylacetamide
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～ a white crystalline compound used as an analgesic and also as an antipyretic
phenylalanine
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～ an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body
phenylamine
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～ oily poisonous liquid amine obtained from nitrobenzene and used to make dyes and plastics and medicines
phenylbutazone
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～ anti-inflammatory drug (trade name Butazolidin)
phenylephrine
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～ a powerful vasoconstrictor used to dilate the pupils and relieve nasal congestion
phenylethylene
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～ a colorless oily liquid; the monomer for polystyrene
phenylic acid
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～ a toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally
phenylketonuria
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～ a genetic disorder of metabolism; lack of the enzyme needed to turn phenylalanine into tyrosine results in an accumulation of phenylalanine in the body fluids which causes various degrees of mental deficiency
phenylpropanolamine
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～ an adrenergic drug used in many preparations to relieve allergic reactions or respiratory infections; "drugs containing phenylpropanolamine are being recalled"
phenyltoloxamine
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～ antihistamine included in some preparations used to treat coughing and nasal congestion
phenytoin
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～ an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative
pheochromocytoma
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～ a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
pheresis
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～ a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion