by Linnaeus in 1758 after the Hydra, which was the many-headed beast of myth defeated by Heracles, as when the animal has a part severed, it will regenerate...

The Lernaean Hydra or Hydra of Lerna (Ancient Greek: Λερναῖα ὕδρα, romanized: Lernaîa Húdrā), more often known simply as the Hydra, is a serpentine lake...

freshwater animals belonging to the phylum Cnidaria Hydra or The Hydra may also refer to: Hydra (constellation) Hydra (moon), a satellite of Pluto Hydra (chess)...

Hydra vulgaris, the fresh-water polyp, is a small freshwater hydroid with length from 10 mm to 30 mm and width about 1 mm. The hydra have four to twelve...

budding, such as in Hydra and other cnidarians; or parthenogenesis, where fertile eggs are produced without mating, such as in aphids. Animals are categorised...

Hydra, or Ydra or Idra (EE-dra; Greek: Ύδρα, romanized: Ýdra, pronounced [ˈiðra] in Modern Greek, Arvanitika: Nύδρα/Nidhra), and in antiquity Hydrea,...

Hydra oligactis, also known as the brown hydra, is a species of hydra found widely dispersed in the northern temperate zone. It is a common organism found...

aplenty, A Senile Animal couldn't have snarled to life at a better time." The vinyl edition was released as a 4-LP box set from Hydra Head Records. Each...

The hydra effect or hydra paradox owes its name to the Greek legend of the Lernaean Hydra which grew two heads for each one cut off, and is used figuratively...

freshwater animals possessing radial symmetry and contain post-mitotic cells (cells that will never divide again) only in the extremities. All hydra cells...