Charcot-Leyden crystal

English

Etymology

They were described (though not first discovered) by Jean-Martin Charcot and Charles-Philippe Robin in 1853, then in 1872 by Ernst Viktor von Leyden.

Noun

Charcot-Leyden crystal (plural Charcot-Leyden crystals)

1. (pathology, especially in plural) Elongated, double-pyramidal crystal of eosinophils found in the sputum in bronchial asthma