Lymphoid tissues of the snake, Spalerosophis diadema, in the different seasons.
D000818:Animals; D007422:Intestines / Q000166:cytology / Q000276:immunology; D008214:Lymphocytes / Q000166:cytology; D008221:Lymphoid Tissue / Q000166:cytology / Q000276:immunology; D012621:Seasons; D012911:Snakes / Q000033:anatomy & histology / Q000276:immunology*; D013154:Spleen / Q000166:cytology; D013950:Thymus Gland / Q000166:cytology