Acts upstream of or within hair follicle development; odontogenesis of dentin-containing tooth; and trachea gland development. Is expressed in several structures, including alimentary system; diencephalon roof plate; naris; skin; and urinary system. Human ortholog(s) of this gene implicated in ectodermal dysplasia 11A and ectodermal dysplasia 11B. Orthologous to human EDARADD (EDAR associated death domain). [provided by Alliance of Genome Resources, Apr 2022]