In other species: domestic cat , dog , pig , cattle , Arabian camel , Rhesus monkey

Possibly relevant human trait(s) and/or gene(s)s (MIM numbers): 615396 (trait) , 115197 (trait) , 600958 (gene)

Mendelian trait/disorder: unknown

Considered a defect: yes

Cross-species summary: Increase in volume of the muscle tissue of the heart, due to an increase in the size of muscle cells, primarily in the left ventricle and ventricular septum.