capitalized: a genus of flagellate protozoans inhabiting the intestines of various mammals and including one (G. lamblia synonym G. intestinalis) that is associated with diarrhea in humans
: any flagellate of the genus Giardia
Biographical Note for GIARDIA
Giard\zhē-är\ , Alfred Mathieu(1846–1908), French biologist. Giard was an all-around naturalist. He was a student of morphology, phylogeny, and ethology and a supporter of both Darwinism and Lamarckism. He investigated a wide range of topics in biology, including regeneration, sexuality, metamorphosis, experimental parthenogenesis, hybridization, autotomy, and mimicry. The genus Giardia was named in his honor in 1882 by Johann Kunstler.