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Regional drug slang for an inhalant.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


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


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
Medical Eponyms © Farlex 2012
References in periodicals archive ?
(16) The head of Medusa, whose name means "queen" in Greek, becomes the aegis of Athena, displayed on the shield of the protectress of the city, and the doubling of Medusa and Athena is coinstantaneous with the origins of patriarchal Western European culture.
That is, by recalling the disembodied head of Medusa in the figure of his own beloved, Petrarch is able to stage his relationship to patronage by recovering the political use of Medusa in the Perseus myth, and recalling the issue of agency inherent in the myth.
This month's Clip & Save Art Print, Perseus with the Head of Medusa, is considered his masterpiece.
The living room has panels made up of red and green lines on the walls and a painted ceiling, with birds, sheep and a head of Medusa, who had snakes for hair and whose gaze could turn people to stone.
By cutting off the head of Medusa, Perseus was able to resist the power of petrifaction.
Bernasconi was appointed head of Medusa in 1995 but had always been a force in the group for the acquisition of film and TV fights, both for Mediaset and its exhibition network Cinema5.
The connections between these two episodes and the surrounding narrative are strengthened by the function of the head of Medusa herself.
The "round eyes" of the creature are reminiscent of the owl-like eyes of Athena, and the breasts of the Medusa could be symbolic of the head of Medusa that Athena wore on her breastplate.