The presence of enormous clusters of T/NK cells on each side of gill arches, at the base in the efferent facet of filaments, was surprising. Our investigations discovered that these clusters constitute a new structured lymphoid tissue, which we title the “Amphibranchial Lymphoid Tissue” (ALT). In 2017, the NPFC recognized https://frozenpacificmackerelscom02736.jaiblogs.com/57875761/5-simple-techniques-for-live-mackerel-for-sale