Zebra
‘When you hear hoof beats, think of horses, not zebras.’ For example, when someone develops a mild transient cough, a virus infection is the most logical and likely cause, and tuberculosis is a zebra.
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Zeta-chain-associated protein kinase 70. A member of the protein tyrosine kinase family, ZAP-70 is normally expressed in T cells and natural killer cells and has a critical role in the initiation of T-cell signaling. ZAP-70 is expressed in T cells and tumors of T-cell lineage. A high level of ZAP-70 expression appears restricted to T-cell […]
- Z chromosome
A sex chromosome in certain animals, such as chickens, turkeys, and moths. In humans, males are XY and females XX, but in animals with a Z chromosome, males are ZZ and females are WZ.
- Tympanites
a distension of the abdomen caused by accumulation of gas in the intestinal tract or peritoneal cavity.
- Rapid strep test
A diagnostic test commonly used to demonstrate whether streptococcus bacteria (“strep”) are present in the throat. A throat infection with strep needs to be treated with an antibiotic. The traditional test for a strep throat has been a throat culture; the major drawback is that the results of the throat culture take 2 to 3 […]