Communicable diseases -- Immunological aspects
Immunity in infective diseases
IMMUNITY IN UNICELLULAR ORGANISMS 11 Infective diseases of the unicellular organisms.—Intracellular digestion in the Protozoa.—Amoebo-diastase.—Part played by digestion in the defence of the Protozoa against infective parasites.—Defences of the _Paramaecia_ against micro-organ...