The presence of large clusters of T/NK cells on each side of gill arches, at The bottom on the efferent facet of filaments, was surprising. Our investigations uncovered that these clusters represent a fresh structured lymphoid tissue, which we title the “Amphibranchial Lymphoid Tissue” (ALT). A rebuilding plan to rebuild https://frozenmackerelfillet81094.amoblog.com/mackerel-where-to-buy-no-further-a-mystery-52616669