(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.
Octopus
Definition:
(n.) A genus of eight-armed cephalopods, including numerous species, some of them of large size. See Devilfish,
Example Sentences:
(1) The chromophore of octopus rhodopsin is 11-cis retinal, linked via a protonated Schiff base to the protein backbone.
(2) To order your main course (from £7.50), squeeze through the tightly packed tables to the kitchen and select whatever catches your eye from an array of dishes that includes roast lamb, salmon with seafood risotto, stuffed cabbage, and sublime stuffed squid (£14), which comes with tomato rice studded with succulent octopus.
(3) Lens crystallins were isolated from cephalopods, octopus and squid.
(4) Thus, these alternatives are acceptable as the octopuses end their exponential growth phase at an age of 3 - 5 months.
(5) Treatment of cells with 2,4-D (2.5 mM) or 2,4,5-T (1.25 mM) for 20 h resulted in severe MT aggregation and the appearance of large bundles, which were organized in a rope-like structure in the former and a dramatic octopus-like pattern in the latter.
(6) Anatomical components of afferent innervation in the rim of the octopus sucker are described.
(7) I have reported the development of characteristic clinical and histologic lesions of granuloma annulare at the site of an octopus bite, with early signs following the bite by two weeks.
(8) The first thing she made me was an octopus, which I used in a picture of a fisherman.
(9) Experts say there are other arms of the federal octopus that could be squeezed in a bid to thwart Obama’s deferred action schemes, but even that would not affect the directive that tells immigration officials to focus on deporting “felons, not families”.
(10) Somata types of neurons in category III could not be identified morphologically, but somata were located in caudal parts of the posteroventral cochlear nucleus that correspond to the octopus cell area.
(11) The length of examination (which varies with the programs used as far as the Octopus is concerned, and with the patient's reaction time) is usually long with the Octopus and the Friedmann, but short with the Baylor.
(12) A temporary lowering of body temperature by means of cold drinks, tried on a group of 18 patients with acute optic neuritis, led in 14 cases to a significant improvement in the 30 degree visual field, which the authors tested with the Octopus 201 automatic perimeter.
(13) Peptides belonging to the tachykinin family have been isolated from molluscan (Octopus) salivary glands and from insect nervous tissue (Locusta migratoria).
(14) The C-terminal domain, Od-1, of the 7-domain subunit of Octopus dofleini hemocyanin has been prepared by partial trypsinolysis followed by ion-exchange chromatography.
(15) But it was sociable, too – Roberto organised a barbecue (with steaks from his cattle-farmer friend) and a fish supper (with octopus stew from his fisherman friend).
(16) Visual acuity, IOP, Visual field (Octopus program G1), Arterial pressure, Plasma viscosity have been recorded at 0, 12 and 24 weeks.
(17) One of the sharing plates at Polpo in London sees moscardini (aka baby octopus) cooked for 10 minutes in stock, left to cool and then marinated for 24 hours in a powerful mixture of olive oil, red-wine vinegar, fennel seeds, shallots, fresh oregano, garlic and finely sliced chilli.
(18) ID7720613 Restaurante da Praia, Praia da Arrifana, Algarve Stewed octopus with sweet potato is the speciality at this restaurant, which sits alone at the bottom of the steep access road that winds down to one of Portugal’s most beautiful and geologically interesting beaches.
(19) The authors prefer to follow up campimetric evolution of glaucomatous patients with the Octopus because it offers more sensibility and precision in quantifying losses.
(20) The visual field in 30 degrees was measured by an automated perimeter Octopus.