A taste receptor cell that is part of a taste bud of a tongue. [ http://www.ncbi.nlm.nih.gov/pubmed/28655883 http://www.ncbi.nlm.nih.gov/pubmed/10052456 http://www.nejohnston.org/Birds/documents/AvianTongues_Johnston.pdf http://dx.doi.org/10.1111/j.1096-3642.1981.tb01137.x ]