(n.) Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa.
Example Sentences:
(1) When Matt Slater went swimming with his dog Mango in a Cornish estuary this month, he bumped into a barrel jellyfish.
(2) In-hospital resuscitation from unresponsive circulatory arrest should now involve intravenously-administered verapamil (or its equivalent) and additional box-jellyfish antivenom, while the patient is being monitored.
(3) The ultrastructure and major soluble proteins of the transparent eye lens of two cubomedusan jellyfish, Tripedalia cystophora and Carybdea marsupialis, have been examined.
(4) I was sitting in the room, reading all the negativity and death threats, and by now the helium balloons were half-full, hovering like jellyfish.
(5) I know a little about the jellyfishes of Australia because when I worked there for the Guardian, poisonous species such as the box jellyfish would occasionally kill a luckless swimmer off the tropical north coast.
(6) The survey for the UK, which asks people to report jellyfish they see in the sea or on beaches, comes after a mass invasion of thousands of miles of the Mediterranean coastline by millions of jellyfish in June, affecting tourists who head there in the summer.
(7) Both women reported having been stung by jellyfish a month earlier.
(8) These cases corroborate the vascular and neurogenic injury, which previously have been reported in experimental animals and in human patients, that may result from jellyfish venoms.
(9) Contact with the tentacles of the jellyfish had produced characteristic whiplash-like weals on the skin.
(10) Among the newly created MCZs are Mounts Bay, covering St Michael’s Mount and the Marazion where seagrass, stalked jellyfish and crayfish live, and Greater Haig Fras, the only substantial area of rocky reef in the Celtic Sea.
(11) The few skin reactions obtained confirm the low dermototoxicity of the jellyfish studied.
(12) Jellyfish stings should be recognised as an unusual variant of the numerous causes which have been described for Mondor's disease.
(13) From intrepid turtles to pioneering jellyfish, a host of animals have made their mark as the unsung heroes of space exploration.
(14) Mechanisms that cause reentry were defined in rings of tissue cut from jellyfish as early as 1906 by Mayer.
(15) Also featured are the puffer fish, dung beetle, veiled chameleon and moon jellyfish.
(16) It's hard not to describe this creature without resorting to multiple similes – it's like a mushroom, an umbrella, a beating heart, an alien lifeform – all of which diminish its glory, as indeed does the word "jellyfish".
(17) This isn’t just about the effect on other species,” said Stefano Piraino, a jellyfish expert at the University of Salento, and one of the 18 signatories.
(18) Jellyfish appear to be on the increase globally, which may be part of a natural cycle or linked to factors caused by humans such as pollution, over-fishing or even climate change, experts said.
(19) Aequorin, a Ca(II)-sensitive bioluminescent protein from jellyfish, emits light at 469 nm from an excited state of a substituted pyrazine (oxyluciferin) which results from the oxidation of a chromophore molecule that is noncovalently bound to the protein.
(20) A new cytolysin has been isolated from the nematocysts of the jellyfish, Rhizostoma pulmo, and named rhizolysin.
Medusa
Definition:
(n.) The Gorgon; or one of the Gorgons whose hair was changed into serpents, after which all who looked upon her were turned into stone.
(n.) Any free swimming acaleph; a jellyfish.
Example Sentences:
(1) "I keep seeing visions of a woman with Medusa-like grey hair," Langdon murmured.
(2) Investigation on important medusae and the chemistry of their nematocyst venoms have been expanding.
(3) Complications worth mentioning included three slight losses of vitreous, bleeding into the anterior chamber in four cases, and one loss of the anterior chamber with caput medusae of the iris and secondary opacification of the lens.
(4) Bacillus medusa was found to carry three phages or phagelike structures named phi med-1, phi med-2, and phi med-3.
(5) Small medusae possess a circulatory system of narrow tubes subdivided into several compartments by functional "sphincters."
(6) B. medusa produced small numbers of phi med-2 during growth.
(7) Normally, vertebral pathways with sufficient circulation prevent oedema of the limbs, bilateral varicoceles and caput medusae of the abdominal wall.
(8) It appears to participate in the formation of a surface layer on the parasporal inclusion of B. medusa.
(9) The responses of Aurelia medusae to pharmacological agents and ionic variation were classified into four response types: Type I, no response; Type II, inhibition of pacemaker activity; Type III, inhibition of both pacemakers and swimming muscles; and Type IV, increase in pacemaker output.
(10) In portal hypertension, three types of cutaneous portosystemic collaterals may develop: the 'classical' caput Medusae, enterostomal varices and scar or adhesion-related abdominal collaterals.
(11) The diagnosis was made by real-time ultrasonography, which showed echographic caput medusae with large afferent umbilical veins and efferent inferior superficial epigastric veins.
(12) Consideration of these properties of the organisation of this species suggests that normal slow swimming is controlled by a mechanism similar to that found in other medusae, while the escape response is the result of the action of the giant axons.
(13) The "RS" variant ("medusae head" surface colonies) is not pathogenic for mice and guinea pigs (even B. anthracis) if the tested strains are cultivated for years in ordinary solid nutrient media; the same morphological variants are strongly pathogenic (also B. subtilis), when the strains are recently isolated from infected animals.
(14) The comparison of the responses to the test solutions between the medusa, scyphistoma, and strobila showed that the neuromuscular systems are physiologically different.
(15) Abdominal varices consisting of a caput medusae and dilated mesenteric veins resulted in pooling of Tc-99m tagged red blood cells (RBC) within these dilated vessels in a 57-year-old man with severe Laennec's cirrhosis.
(16) Using a radioimmunoassay for the peptide sequence Arg-Phe-NH2 (RFamide), two peptides have now been purified from acetic acid extracts of this medusa.
(17) A novel method for separating porphyrin polycarboxylic acids is described and illustrated by its application to the direct analysis of biological (deep-sea medusae), clinical (urine) and chemical ('haematoporphyrin derivative') samples.
(18) Dr Elizabeth Sinskey, CEO of the World Health Organisation, combed her Medusa-like grey hair and thought unnecessarily of the glucocorticoid treatment that had destroyed her reproductive system.
(19) Angiography with Tc-99m labeled RBCs demonstrated an arterioportal fistula and a caput medusa.
(20) Similarly, the responses of adult medusae to ionic variation show no consistent pattern within various scyphomedusae.