The group of hydroids to which the fresh-water hydras belong.
Hydras are remarkable for their power of repairing injuries; for if the body be divided in pieces, each piece will grow into a complete hydra, to which fact the name alludes.
Young hydras bud out from the sides of the older ones, but soon become detached and are then like their parent.
On crimson mounts where hydras peer-- Affronting devils in the gloom!
The Crocodile as the Prototype of the Dragon In the existing representatives of the antediluvian saurians, the crocodile and alligator, we see the prototypes of the dragons and hydras of poetic fancy.
The value of hydrastis in the treatment of the diseases and conditions mentioned is problematical at best, and the small amount present in Hydras is wholly useless.
The report of the Chemical Laboratory of the American Medical Association, however, indicates that hydrastis is present in unimportant amounts: “The hydrastin content of Hydras was determined by extraction with immiscible solvents (Pharm.
The label of a recently purchased bottle of Hydras bears the following recommendations for its use: “Indicated in treatment of Dysmenorrhea, Menorrhagia Anti-Abortive, with anodyne and tonic properties.
In the black flames burned the shades, in the black flames wound the hydras in and out; the thick smoke shot up into the clouds, and the clouds sent it back again.
Illustration] OF these Fresh-water Polypi, only a few kinds are known, but the sea nourishes a multitude of species which closely resemble the Hydras in their structure, from hence called Hydroid Polyps by Cuvier and many other naturalists.
Trembley gave scope to his fancy by repeatedly splitting the head and part of the body; he thus formed hydras more complicated than ever struck the imagination of the most romantic fabulist.
Defn: The group of hydroids to which the fresh-water hydras belong.
The Hydrashave no lungs, no liver, no intestines, no nervous system, no heart.
Compared to this creature, the ancient hydras are insignificant.
Since nearly all the coelenterates except hydras are marine forms, these will usually have to be dead specimens, preserved in formalin or alcohol, or put up as permanent preparations for the microscope.
Notice the location of the hydrasin the large, undisturbed aquaria.
In hydras collected late in the fall you may see another method of reproduction.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "hydras" in a variety of sentences. We hope that you will now be able to make sentences using this word.
