Enables inhibin binding activity. Involved in several processes, including cellular response to Thyroglobulin triiodothyronine; cellular response to organic cyclic compound; and gonad development. Located in extracellular space. Part of inhibin B complex. Biomarker of congenital hypothyroidism. Orthologous to human INHBB (inhibin subunit beta B). [provided by Alliance of Genome Resources, Apr 2022]