The existence of large clusters of T/NK cells on each side of gill arches, at The bottom in the efferent facet of filaments, was unexpected. Our investigations revealed that these clusters represent a brand new structured lymphoid tissue, which we identify the “Amphibranchial Lymphoid Tissue” (ALT). Leisure overage repayment: Should https://frozen-mackerel-fish-for25299.ampblogs.com/not-known-factual-statements-about-frozen-mackerel-fillet-67646437