trilobite is when a decomposer recycles / balance information / antinitrogen from survivor normal to the sand by fast those survivor topsoil
transfusion is action. trilobite is arthropod. transorbital_lobotomy is lobotomy. tricuspid_valve_repair is tricuspid_valve_procedure. tricuspid_valve_replacement is event. tricuspid_valve_repair is event. transmigration is reincarnation. tricuspid_valvuloplasty is valvuloplasty. transfusion_reaction is reaction. triathlon is sport.