Sporosac

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“Two female sporosacs (degenerate medusae) of Hydraetinia echinata. a, ectoderm; b, endoderm; o, eggcella; g, entric cavity. In A an invagination of the ectoderm, which is more complete in B, represents the rudiment of the sub-umbrella space.” — Encyclopedia Britannica, 1893

Keywords

medusa, cell, cavity, Ova, Echinata, Medusae, Enteric, Sporosae, Genital, Sperm, Sporosac, Degenerate, Hydraetinia

Galleries

Corals and Sea Anemone

Source

The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)

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