Trachymedusae

Tra`chy`me`du´sae

n. pl.

(Zool.) A division of acalephs in which the development is direct from the eggs, without a hydroid stage. Some of the species are parasitic on other medusæ.

Trachymedusae

[¦tra·kē·mə′dü‚sē] (invertebrate zoology) A group of marine jellyfish, recognized as a separate order or as belonging to the order Trachylina whose tentacles have a solid core consisting of a single row of endodermal cells.

MedicalSeeTrachylina

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