Author: Glossary
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Polystichia
A condition in which there are two or more rows of eyelashes.
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Polysorbates
Nonionic surface-active agents composed of polyoxyethylene esters of sorbitol. They usually contain associated fatty acids. The series includes polysorbates 20, 40, 60, and 80, which are used in preparing pharmaceuticals. These polysorbates have the trade names of Tween 20, Tween 40, and so forth. A category of chemical compounds typically originating from animal adipose tissue…
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Polysomia
Having more than one body, as in the doubling of the body of a fetus.
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Polysomaty
Having reduplicated chromatin in the nucleus.
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Immune polysaccharide
Polysaccharides in bacteria, especially in the cell wall, that are antigenic.
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Polyradiculoneuritis
Inflammation of the peripheral nerves and spinal ganglia.
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Polyptychial
Arranged in several layers, as is the case in some glands.
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Polyprotein
A polypeptide that contains the linked transcripts of several proteins. Cleavage of the polypeptide releases the contained protein sequences.
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Polyposis ventriculi
The presence of numerous polyps in the stomach, sometimes involving the entire mucosa, accompanied by chronic atrophic gastritis.
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Polyposia
The sustained ingestion of large amounts of fluid.