Hence the Trachylinae are termed “hypogenetic” medusae to contrast them with the metagenetic Leptolinae.
He is now in Madeira, where he is going to work chiefly on the medusae.
Sea-nettles, or medusae, are well known to constitute the principal food of that species of whale which is termed the right whale.
I have heard indirectly of your splendid success with nerves of medusae.
Dr Cuff had a powerful microscope, through which he examined one of the stomachs of the medusae.
The number of medusae in the olive-green water was found to be immense.
The creatures the girls were admiring were medusae, beautifully transparent, which were floating along near the surface.
Notable among these were his papers on the medusae and allied creatures.
The medusae may be set free or may remain attached to the polyp-colony and degenerate into a gonophore.
The medusae are produced by direct budding, without an entocodon in the bud.
"jellyfish," 1758, as genus name, from the name of one of the three Gorgons with snakes for hair, whose glance turned to stone him who looked upon it (attested in English from late 14c.). Her name is from Greek Medousa, literally "guardian," fem. present participle of the verb medein "to protect, rule over" (see Medea). The zoological name was chosen by Linnæus, suggested by the creature's long tentacles. Related: Medusoid.
Plural medusas or medusae (mĭ-d'sē)
A cnidarian in its free-swimming stage. Medusas are bell-shaped, with tentacles hanging down around a central mouth. Jellyfish are medusas, while corals and sea anemones lack a medusa stage and exist only as polyps. Compare polyp.