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.
- HDR syndrome
The syndrome of familial Hypoparathyroidism, sensorineural Deafness, and Renal dysplasia. Inherited as an autosomal dominant trait, the syndrome is caused by haploinsufficiency of the GATA3 gene in chromosome 10p. The hypoparathyroidism causes hypocalcemia (a low level of calcium in blood) and lifelong fatigue and depression. The deafness is congenital (present at birth). The kidney dysplasia […]
- Fetal dystocia
Fetal dystocia: Dystocia caused by the fetus, due to its size (too big), shape, or position in the uterus.