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.
- Body image obsession
Body image obsession: Excessive concern about one’s appearance. Some concern about one’s appearance is normal. But an obsession with one’s appearance is not. Body image obsession is also called body dysmorphic disorder. The condition carries a high risk of suicide. Drug treatment can be lifesaving.
- Pedophobia
androphobia, an abnormal and persistent fear of men; gynephobia, a comparably irrational and excessive fear of women.