A full Hydra, enlarged 30X and sectioned longitudinally, is rendered in exquisite detail. Perfect for an overall view of the body structure, it includes the ectoderm, endoderm, and mesoglea, as well as a bud, spermary, and ovary in section. For a close-up view detailing the nerve network, nematocysts, and sensory cells, a second, cross-sectioned model of the body wall, enlarged 200X, is mounted beside the full model on a common base. The model includes a study guide identifying 31 structures. Size: 15 1/4″L x 13″W x 18″H.
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