Author: Glossary
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Polyhybrid
The offspring of parents that are different with respect to three or more characteristics.
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Polyhistor
A scholar or physician who has great and varied abilities and knowledge (e.g., Hippocrates, Galen, Paracelsus, Leonardo da Vinci, Boerhaave, Sir William Osier, Richard Mead, and Thomas Jefferson).
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Polyhedral
Having many surfaces.
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Polygyria
Excess of the normal number of convolutions in the brain.
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Polygnathus
Conjoined twins of unequal size in which the smaller is attached to the jaw of the larger.
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Polygiycolic acid
A polymer of glycolic acid anhydride units. It is used to manufacture surgical sutures, clips, and mesh.
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Polyglucosan
Glucose polymers. Abnormal collections of glucose polymers in tissue specimens are sometimes called “polyglucosan bodies,” “Lafora bodies,” or “corpora amylacea.”
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Polygen
An element that has more than one valency and that can form more than one series of compounds.
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Polygalactia
Excessive secretion or flow of milk. An abnormal increase in the total volume of blood in the body.
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Polyethylene
A polymerized resin of ethylene; used to make a wide variety of products, including tubing used in intravenous sets.