medusa

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Medusa

Regional drug slang for an inhalant.

medusa

(pl. medusas, medusae) the jellyfish (medusoid) stage of the COELENTERATE life cycle, usually free-swimming and propelled by pulsations of the bell. Medusae usually reproduce sexually, giving rise to a POLYP stage from which the medusae are produced asexually Medusae form the dominant phase of the life history of members of the class Scyphozoa, but are often absent or of lesser importance in other classes of the phylum.

Medusa,

in Greek mythology, a Gorgon who turned men to stone.
caput Medusae - (1) varicose veins radiating from the umbilicus; - (2) dilated ciliary arteries girdling the corneoscleral limbus in rubeosis iridis. Synonym(s): head of Medusa
head of Medusa - Synonym(s): caput Medusae

medusa

jellyfish; a colony of animals comprising a bell from which hang a number of filaments and tentacles. Called also hydromedusa. Inflict painful stings and can cause death, even of humans. See also hydrozoa.

medusa head colonies
colonies of Bacillus anthracis on agar have this appearance of being domes with a fringe of filaments.
References in periodicals archive ?
Segun especialistas, el transito a un ecosistema dominado por medusas podria provocar un desequilibrio ecologico con enormes perdidas para la pesca y el turismo, entre otras industrias.
La elevada proliferacion de medusas en los ultimos tiempos no solo atane a China?
The significance of the Medusa thus lies in the figure's apparent defeat.
Analyzing the physical vulnerability of Welty's Medusa will help to explain how The Golden Apples subverts the gender-inflected hero/victim binary often encoded in iterations of the myth.
This year, researchers plan to assemble a prototype of their life-detection system, called the Medusa system, at Oregon State University in Corvallis.
The Medusa system monitors chemistry and biology of remote, harsh places, and its instrument package collects and stores samples.
William Hamner, un biologo californiano especializado desde hace mas de 2 decadas en el estudio de las medusas, explica que basta ver como se alimenta un aguamala, para comprender por que es tan peligroso este animalito de aspecto delicado:
Para agravar las cosas, estos animales son de una transparencia que los vuelve casi invisibles en las revueltas aguas del mar, y sus extremidades (que la medusa arrastra como cabellera) resultan aun mas dificiles de evitar, pues son muy delgadas y de mas de 5 metros de largo.
Abriendose en tres lineas de aparicion simultanea, el motivo conductor del volumen es la suerte que ha corrido en Occidente la poetica Medusa, su presencia y su ausencia, su haber existido alguna vez, muchas veces, y su haber desaparecido en otras tantas.
Lo que me propongo a traves del presente trabajo es examinar los mecanismos de de-construccion y re-construccion del mito griego clasico que Pacheco utiliza en este relato, y analizar concretamente como la figura de Medusa marca las pautas de la construccion narrativa.
The view that the connotations of the Medusa image are purely negative is one that Freud also posits in his famous essay "Medusa's Head," where he underscores Medusa's power to induce horror in the male viewer and states that the head isolates "the horrifying effects" of the female genitalia from "their pleasure-giving ones.
No figure in the world of fashion and design, however, has ever had a closer association with Medusa than Gianni Versace.