White blood cells and lymphomyeloid tissues in fish.
D000818:Animals; D000917:Antibody Formation; D001773:Blood Cells; D001777:Blood Coagulation; D005399:Fishes; D006413:Hematopoietic System; D007962:Leukocytes; D008221:Lymphoid Tissue; D010587:Phagocytosis; D013950:Thymus Gland