👉 Leuroid, a term coined by the French physiologist and chemist Louis Leupold de Lempel in 1849, refers to a type of organism found in the soil. These organisms are known as leuroids because they have two similar structures on their bodies: one is an exoskeleton or shell made from a protein called chitin, which can be found in the shells of many plants and animals, and another is a large, sticky substance called le