What's the difference between hydra and serpent?

Hydra


Definition:

  • (n.) A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediately succeeded by two others, unless the wound was cauterized. It was slain by Hercules. Hence, a terrible monster.
  • (n.) Hence: A multifarious evil, or an evil having many sources; not to be overcome by a single effort.
  • (n.) Any small fresh-water hydroid of the genus Hydra, usually found attached to sticks, stones, etc., by a basal sucker.
  • (n.) A southern constellation of great length lying southerly from Cancer, Leo, and Virgo.

Example Sentences:

  • (1) As an extension of the previous study which indicated that mesoglea is a primitive basement membrane which has retained some characteristics of interstitial extracellular matrix, the present study was undertaken to analyze the role of mesoglea components during head regeneration in Hydra vulgaris.
  • (2) Using serial-sectioning techniques for conventional transmission and high-voltage electron microscopy, we characterized the ultrastructural features and synaptic contacts of the sensory cell in tentacles of Hydra.
  • (3) The neuron differentiation pathway in hydra is usually assumed to be the following.
  • (4) The extent of the growth changes in maximal work output during 10 s (MWO10), 30 s (MWO30), and 90 s (MWO90) of maximal repetitive knee flexions and extensions assessed on a modified Hydra-Gym machine was investigated in 84 boys and 83 girls, 9-19 yr of age.
  • (5) Substance P-like immunoreactivity was found in Hydra attenuata mainly but not exclusively in the nerve and interstitial cells, localized in the cytoplasm and on the cell surface membranes.
  • (6) Hydrozoans such as Hydra vulgaris, as with all classes of Cnidaria, are characterized by having their body wall organized as an epithelial bilayer with an intervening acellular layer termed the mesoglea.
  • (7) These results are the first demonstration that the dense-cored vesicles of Hydra neurons contain a neuropeptide.
  • (8) Nematocyte differentiation from interstitial stem cells in hydra occurs in a highly position-dependent manner along the body axis.
  • (9) The presence of Arg-Phe-amide (RFamide)-like peptides in dense-cored vesicles in neurons of the peduncle of Hydra was demonstrated by immunogold electron microscopy.
  • (10) History will judge Syria’s descent into a hydra-headed war as a stain on the world’s conscience.
  • (11) The multiple manifestations of systemic lupus erythematosus recall the ancient Greek monster the Hydra.
  • (12) Hydra) has raised some interesting evolutionary questions as to the function of intragranular nucleotides.
  • (13) Captain America kicking open the door of what looks like a European mountain fortress suggests the Nazi offshoot Hydra might be rearing its many ugly heads once again.
  • (14) Intact hydra treated for 24 h with oligomycin gradually lose their head structures and the distal ends form feet.
  • (15) This substance is specific for the foot as evidenced by the following findings: (1) It is present in the animal as a steep gradient descending from foot to head, paralleling the foot-forming potential of the tissue (2) It does not accelerate head regeneration, nor do the head factors of hydra discovered by Schaller (1973) and Berking (1977) accelerate foot regeneration.
  • (16) This study concerns application of the Hydra attenuata assay to detect the developmental toxicity potential of various aqueous samples.
  • (17) Feeding behavior in hydra is initiated by the association of glutathione (GSH) with a putative external chemoreceptor.
  • (18) Because it is self-inflicted, hydra-headed and increasingly beyond our control, both politically and economically, at a time when Britain is losing friends fast by peeing on their chips.
  • (19) The tentacles in hydra have characteristics of both spacing patterns and number-regulating patterns in that their number under some circumstances changes with the size of the animal and under others does not.
  • (20) Every epithelial cell is continuously displaced with neurons toward either head or foot in an adult hydra.

Serpent


Definition:

  • (n.) Any reptile of the order Ophidia; a snake, especially a large snake. See Illust. under Ophidia.
  • (n.) Fig.: A subtle, treacherous, malicious person.
  • (n.) A species of firework having a serpentine motion as it passess through the air or along the ground.
  • (n.) The constellation Serpens.
  • (n.) A bass wind instrument, of a loud and coarse tone, formerly much used in military bands, and sometimes introduced into the orchestra; -- so called from its form.
  • (v. i.) To wind like a serpent; to crook about; to meander.
  • (v. t.) To wind; to encircle.

Example Sentences:

  • (1) Dozens of wet-suited arms arc rhythmically above the water like small sea serpents, churning the lake as they go.
  • (2) ‘We were simple as doves, wise as serpents’: Portugal toast Euro 2016 win Read more Has any player been through as many contrasting emotions in the space of a major final?
  • (3) In the beginning, then, this mythology goes, the biologist was in the middle of the ocean, "surrounded by venomous sea serpents", preparing to meet his genome.
  • (4) What is striking is the success of independent publishers with four represented on the list – Canongate, Serpent's tail, Atlantic and Granta.
  • (5) As with all Hawthorne's fantastic stories, and especially those written for Mosses , like "The Bosom Serpent" or "The Birth-Mark" (in which a husband becomes so obsessed with his otherwise ravishing wife's single blemish that he resolves to remove it at whatever cost), there is more going on here than an exercise in the ornamental grotesque.
  • (6) Resting metabolic rates (RMR) of 34 species from 18 genera of boas and pythons (Serpentes: Boidae), with body masses ranging from 2 to 67,800 g, were determined as oxygen consumption (VO2) and carbon dioxide production (VCO2) at three ambient temperatures (Ta).
  • (7) The way a bull's penis looks – like a red serpent... it's incredibly hard to watch.
  • (8) The moral emblem at the heart of Van Hoytl the Younger's painting is of course the oldest of all Judaeo-Christian symbolic objects: the apple with which the serpent tempted Eve.
  • (9) A subtler example is the mythological status snakes - the serpent of Eden, Ouroboros in Greek myth - hold in most cultures.
  • (10) Its soul became Serpent, long enough to be powerful as Cosmic soul.
  • (11) Most importantly, we must enact systemic changes that will uncoil the serpent of corruption that is suffocating our development.
  • (12) In his latest book, The Serpent's Promise , Jones examines how nurture and nature are inseparably intertwined.
  • (13) No visit from Dr Freud is needed to recognise that the devouring snake lurking deep in the body of the hysteric in "The Bosom Serpent" is not just the "egotism" of the longer title of the story, but guilt for auto-erotic naughtiness.
  • (14) Lionel Shriver is the author of We Need to Talk about Kevin (Serpent's Tail) Margaret Drabble Photograph: Murdo Macleod The Bell Jar is a novel of reckless vitality, and although it's about death, trauma, suicide and madness, it's as exhilarating as its narrator's first mad dash down the ski slope when she manages triumphantly to break her leg in two places.
  • (15) Recognition of the fact that the amplification mechanisms of the immune system are already fully activated when the clinical features of a serpent ulcer appear and that the destructive phase only represents an unwanted side-effect of the host defense mechanisms towards its own structures has resulted in the application of corticosteroids with simultaneous antibiotic medication and early tectonic perforating keratoplasty.
  • (16) That river is important for dreaming because it travels through the heart of the country, the waterways relate to the rainbow serpent and our totems in the trees,” Burragubba said.
  • (17) Following the advice of another human regarded as a living god , he has been as cunning as a serpent and as peaceful as a dove.
  • (18) Alas, the serpent’s egg was hatching inside the foundations of the emergent union.
  • (19) The present study, using classical microscopy, scanning electron microscopy, transmission electron microscopy, X-ray diffraction, infrared spectroscopy, has shown the dental hard tissues of the fangs of Viperidae (poisonous serpents with terrestrial or semi-aquatic habits) to be constituted of: a calcified outer layer, 0.4 microns thick, made of very small needle-like crystals, randomly distributed.
  • (20) Votive tablets found during the excavation of shrines of the Graeco-Roman god of medicine (Asklepios or Aesculapius) associate the healing of superficial lesions with contact with the oral cavity of non-poisonous serpents.