Paramecium 2 Parts

Enlarged approx.1600 times, shows the cell inventory of protozoa : macro and micronucleus, contractile vacuoles, cytostome with membranellae, myonemes and food vacuoles, formation of the endoplasm and actoplasm & the network of neuronemes. A detailed block shows the structure of the pellicle of the ectoplasm, and the position and order of the trichocysts and a range of cilia in typical order. Separates into 2 parts, on stand and base, with key card.