Quick Answer:The Hydra Slide is a prepared whole-mount slide of Hydra, a freshwater cnidarian, showing its tentacles, hypostome, gastrovascular cavity and basal disc for invertebrate zoology lessons.
Last updated: 18 October 2026
Key Features
Whole mount (W.M.) of Hydra.
Shows the hypostome, gastrovascular cavity, basal disc and tentacles.
Illustrates radial symmetry and the stinging cells (nematocysts).
Supports lessons on asexual reproduction by budding.
75 mm x 25 mm soda-lime glass slide with a No. 1.5 cover slip.
Students examine the whole animal to see its body plan from the basal disc up to the ring of tentacles, then look closely along the tentacles for the stinging cells. The slide supports school and university lessons on cnidarians, radial symmetry and budding.
Frequently Asked Questions
What structures can be identified on the Hydra Slide?
The hypostome, gastrovascular cavity, basal disc and tentacles of a whole-mounted Hydra, along with its radial symmetry and stinging cells (nematocysts).
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