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.
- Breast cancer metastasis suppressor 1 (BRMS1)
Breast cancer metastasis suppressor 1 (BRMS1): A gene that plays a role in preventing the metastasis (spread) of breast cancer to other parts of the body and so may improve breast cancer survival. The BRMS1 gene is on chromosome 11.
- Transgenic
Having genetic material (DNA) from another species. This term can be applied to an organism that has genes from another organism. It is understood that the foreign genes are in the transgenic animal’s germ-cell DNA and so can be transmitted from one generation to the next.