A common genus of cnidarians in the suborder Anthomedusae. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc. Hydra nine-headed serpent beheaded by Heracles. [Gk. Myth.: Benét, 489] See: Decapitation Hydra seven-headed water sna...
Hydra is a genus of tiny fresh-water organisms that are classified under the phylum of Cnidaria. Hydra has a cylindrical, radially symmetric body from 2 to 20 mm in length. It is visible to the naked eyes when fully extended. Typically, hydras remain attached to some underwater objects, wa...
[Johnson]. The fabulous beast's heads were said to grown back double when cut off. As a constellation (seeHydrus), usually identified as the monster Herakles slew, from mid-15c. As the genus name of a freshwater polyp from 1798; said to have been so called by Linnaeus for its ...
Hydra is a genus of freshwater cnidarians that can be found in lakes, ponds, and rivers. Small crustaceans and fish larvae are common preys for Hydra and when they come in contact with Hydra venom, they would be instantly killed or paralysed21. The Hydra venom was extracted and tested direc...
A common genus of cnidarians in the suborder Anthomedusae. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc. Hydra nine-headed serpent beheaded by Heracles. [Gk. Myth.: Benét, 489] ...
A common genus of cnidarians in the suborder Anthomedusae. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc. Hydra nine-headed serpent beheaded by Heracles. [Gk. Myth.: Benét, 489] See: Decapitation Hydra seven-headed water sna...