molds, species, infections, stage, infection, strand, masses, phase, antigens, parasites, mass, cycle, strands, stages, forms, layer, mold, reductase, development, growth, cells, enzyme, dna, trophoblast, nuclei, antigen, metabolism, tapetum, resistance, strains, parasite, activity, moulds, type, myxomycetes, veins, state, formation, fusion, fragment, extracts, strain, mitosis, protoplasm, proteins, organisms, fragments, proteases, network, cytoplasm, sporozoites, condition, wall, rna, dhfr, fractions, enzymes, slime, types, membrane, gene, mitochondria, walls, phases, production, synthesis, protein, vein, transition, fluid, actin, outgrowths, cell, genes, myosin, ciliates, origin, polycephalum, organism, spindle, tubulins, fraction, precursors, motility, pigment, sacs, union, arms, envelope, preparations, drops, membranes, vacuole, myxomycete