| pheochromocytoma |
A tumor of the adrenal gland that causes it to produce too much adrenaline. Pheochromocytomas are usually benign (noncancerous), but can cause dangerously high blood pressure and other symptoms, including pounding headaches, heart palpitations, flushing of the face, nausea, and vomiting.
Ãâó: www.stjude.org/glossary
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| pheresis |
A procedure in which blood is collected, part of the blood such as platelets or white blood cells is taken out, and the rest of the blood is returned to the donor. Also called apheresis.
Ãâó: www.stjude.org/glossary
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| phenology |
The science that treats the periodic biological phenomena with relation to climate, especially seasonal changes. Phenological events are stages of plant growth. From a climatological viewpoint, these phenomena serve as bases for the interpretation of progress in local seasons and the climatic zones, and are considered to integrate the effects of a number of bioclimatic factors on rate of plant development. ...
Ãâó: amsglossary.allenpress.com/glossary/browse
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| phenylketonuria |
a hereditary disorder in which the enzyme that converts the amino acid phenylalanine into another amino acid is defective, meaning phenylalanine must be kept out of the diet
Ãâó: www.american-depot.com/services/resources_gl_p.asp
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| pheochromocytoma |
a noncancerous tumor of cells that produce epinephrine and norepinephrine, causing higher levels of these hormones in the blood and an increase in blood pressure
Ãâó: www.american-depot.com/services/resources_gl_p.asp
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