1 Biological tissue cultures, other than for medical or veterinary purposes; Biological tissue, namely, a set of matched frozen and fixed human biological specimens derived from the division of one original specimen for use in scientific and medical research; Biological tissue, namely, blood, stem cells, umbilical cords and placentas for scientific and medical research use; Biological tissue, namely, SHED stem cells (stem cells from human exfoliated deciduous teeth), dental pulp and human maxiofacial bone elements for scientific use and research in cellular healing therapies; Biological tissue, namely, HUMAN for use in scientific and medical research