jellyfish

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jel·ly·fish

(jel'ē-fish),

Marine coelenterates (class Hydrozoa) including some poisonous species, notably Physalia, the Portuguese man-of-war; toxin is injected into the skin by nematocysts on the tentacles, causing linear wheals.

Synonym(s): jelly (2)

Farlex Partner Medical Dictionary © Farlex 2012

jellyfish

(jĕl′ē-fĭsh′)

n. pl. jellyfish or jelly·fishes

a. Any of numerous usually free-swimming marine cnidarians of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusa stage as the dominant phase of its life cycle. Also called true jellyfish.

b. Any of various similar or related cnidarians.

jel·ly·fish

(jel'ē-fish)

Marine coelenterates, including some poisonous species; toxin is injected into the skin by nematocysts on the tentacles, causing linear wheals.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

jellyfish

any large medusa of the class Scyphozoa.
the medusoid stages of any coelenterate.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

References in periodicals archive ?

New records i.e., geographical positions of 11 scyphomedusae and 1 cubomedusa species are presented in the present review but in all cases corresponded to species previously reported for the study region in spite of the large number of samples examined.

Medusae (Scyphozoa and Cubozoa) from southwestern Atlantic and Subantarctic region (32-60[degrees]S, 34-70[degrees]W): species composition, spatial distribution and life history traits

Thus, leatherback turtles travel thousands of kilometers from western Pacific beaches to forage on seasonally abundant jellyfish (Scyphomedusae) along the West Coast of North America (Eisenberg and Frazier, 1983; Shenker, 1984), where coastal upwelling creates a dynamic and highly productive ecosystem.

Abundance, distribution, and habitat of leatherback turtles (Dermochelys coriacea) off California, 1990-2003

Flow and feeding by swimming scyphomedusae. Marine Biology 124:399-406.

Varying effects of low dissolved oxygen on trophic interactions in an estuarine food web

Being a report on the scyphomedusae collected by the U.S.

Box jellyfish Alatina alata has a circumtropical distribution

A total of 27 species of jellyfish were identified: 25 hydromedusae and 2 scyphomedusae. Twelve jellyfish species (11 hydromedusae and 1 scyphomedusae) were recorded for the first time in the Magellan region (Table 1).

Biodiversidad y distribucion especial de las medusas en la region Magallanica (Zona Patagonica Austral)

Organization of the ectodermal nervous structures in jellyfish: scyphomedusae. Biol.

Multiple conducting systems in the cubomedusa Carybdea marsupialis

Relacion entre la distribucion de vientos y la aparicion de Scyphomedusae en el Puerto de Punta del Este (R.O.

Agregaciones de medusas (Chrysaora lactea, Cnidaria, Semaeostomeae) en el sur de Brasil y consecuencias de picaduras en humanos

This dual set of diffuse, non-polarized conducting systems in scyphomedusae was noted in behavioral experiments (Eimer, 1874, 1877; Romanes, 1876, 1878; Mayer, 1910; Bozler, 1926a, b), and later demonstrated with electrophy siological recordings by Horridge (1956a, b) and Passano (1965).

Organization of the ectodermal nervous structures in jellyfish: scyphomedusae

Immunohistochemical staining of scyphomedusae with monoclonal antibodies against [alpha]- or [beta]-tubulin shows a subumbrellar nerve net that has the distribution and neuronal characteristics of the motor nerve net that controls the swim musculature (Giant Fiber Nerve Net, also called the Motor Nerve Net; Horridge, 1956a, b; Schwab and Anderson, 1980; Anderson and Schwab, 1981).

Organization of the ectodermal nervous structures in medusae: cubomedusae

On the Hydromedusae, Siphonophora, Scyphomedusae and Ctenophora from the Jiulong River Estuary of Fujian, China.

Posicion taxonomica de Lovenella gracilis Clarke, 1882 (Lovenellidae, Hydrozoa): nuevas evidencias de microanatomia justifican su permanencia en el genero Lovenella Hincks, 1868

The association with scyphomedusae and other large gelatinous zooplankton exhibited by juveniles may continue throughout their lives, because such prey are reported to constitute a considerable portion of the prowfish diet (Carollo and Rankin, 1998).

Distribution and biology of prowfish (Zaprora silenus) in the northeast Pacific

Escape behavior of Acartia hudsonica copepods during interactions with scyphomedusae. J.

Fluid interactions that enable stealth predation by the upstream-foraging hydromedusa Craspedacusta sowerbyi

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