Hydra (genus) - Wikipedia
Hydra (/ ˈ h aɪ d r ə / HY-drə) is a genus of small freshwater hydrozoans of the phylum Cnidaria. They are native to the temperate and tropical regions. [ 2 ] [ 3 ] The genus was named 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 ...
Hydra | Freshwater, Cnidaria, Polyp | Britannica
Oct 18, 2024 · Hydra, genus of invertebrate freshwater animals of the class Hydrozoa (phylum Cnidaria). The body of such an organism consists of a thin, usually translucent tube that measures up to about 30 millimetres (1.2 inches) long but is capable of great contraction.
Hydra Biology Classification, Characteristics and Reproduction
Hydra are a genus of small, fresh-water organisms that are classified under the phylum Cnidaria. In addition to being related to such organisms as jellyfish, they are characterized by their tiny, tube-shaped bodies that contain several tentacles on one end.
Model Organism: Hydra (Hydra vulgaris) - College of Biological …
Jan 4, 2022 · The "Immortal" Hydra. Eternal life. For humans, it’s a fantasy pulled from science fiction, but for the Hydra (Hydra vulgaris), a small freshwater invertebrate, it’s a reality. These organisms, which look like miniature, fleshy palm trees with swaying fronds of tentacles, boast stem cells that exist in a continuous state of renewal and seem ...
Hydra – Biology, Classification, Characteristics, and Reproduction
A quick overview. 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.
Hydra: Current Biology - Cell Press
Nov 23, 2010 · What is Hydra? Hydra is a member of the animal phylum Cnidaria. This phylum includes corals, sea anemones and jellyfish. While most cnidarians are marine, Hydra is unusual in that it lives exclusively in fresh water. Hydra was first described by Antoni van Leeuwenhoek (1632–1723) in a letter he sent to the Royal Society on Christmas day, 1702.
The dynamic genome of Hydra | Nature
Mar 14, 2010 · The freshwater cnidarian Hydra is a significant model for studies of axial patterning, stem cell biology and regeneration. Its (A+T)-rich genome has now been sequenced.
Hydra- Habit, Habitat, External Morphology, Internal Structures
Aug 3, 2023 · Hydra are inconspicuous freshwater relatives of corals, sea anemones, and jellyfish that are classified under the phylum Cnidaria, Class Hydrozoa, Order Anthomedusae/Anthoathecata, and Family Hydroidea. It is essentially a sedentary organism living attached to stones, pebbles, and water plants, but can get …
Looking at Hydra cells one at a time | Nature Methods
Aug 30, 2019 · How stem cells differentiate, and how their progeny populate a developing or regenerating tissue or organism, is an active area of research in developmental biology. Even though Hydra vulgaris is...
How Tiny, ‘Immortal’ Hydras Regrow Their Lost Heads
Dec 13, 2021 · Thanks to new research, scientists are closer to understanding how “immortal” aquatic animals called hydra regrow their lost heads. Hydra are inch-long freshwater creatures that resemble a ...