The existence of huge clusters of T/NK cells on both sides of gill arches, at The bottom of the efferent facet of filaments, was unforeseen. Our investigations exposed that these clusters constitute a different structured lymphoid tissue, which we name the “Amphibranchial Lymphoid Tissue” (ALT). In 2017, the NPFC founded https://atlanticmackerelscombersc51101.theblogfairy.com/30330836/not-known-factual-statements-about-frozen-mackerel-fillet