The presence of large clusters of T/NK cells on all sides of gill arches, at The bottom in the efferent aspect of filaments, was unexpected. Our investigations unveiled that these clusters constitute a different structured lymphoid tissue, which we title the “Amphibranchial Lymphoid Tissue” (ALT). In 2017, the NPFC recognized https://andyxeuby.shotblogs.com/rumored-buzz-on-frozen-atlantic-mackerel-scomber-scombrus-44887841