In other species: cattle , goat , dog , sheep , pig , domestic cat , chicken , bongo , water buffalo , American black bear

Possibly relevant human trait(s) and/or gene(s)s (MIM numbers): 274700 (trait) , 188450 (gene)

Mendelian trait/disorder: unknown

Considered a defect: yes

Cross-species summary: Enlargement of the thyroid gland, causing a swelling in the front of the neck. Familial forms of this disorder have been identified in several species. But only in cattle and goats has the molecular basis been determined. Also spelt goiter.