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Medusa The medusa is the active locomotory stage and the sexually mature form. Medusa, marble sculpture by Gian Lorenzo Bernini, 1630; in the Capitoline Museums, Rome.This article was most recently revised and updated by The medusa body consists of a deep to shallow bowl of gelatinous nature, the bell or umbrella. Our editors will review what you’ve submitted and determine whether to revise the article. Medusa was one of the three Gorgons, daughters of Phorcys and Ceto, sisters of the Graeae, Echidna, and Ladon – all dreadful and fearsome beasts. Published by Houghton Mifflin Harcourt Publishing Company. History at your fingertips
any of various veil-like membranous partitions or coverings; specif., 1. soft palate 2. the lobed, ciliated swimming organ of gastropod larvae, located near the mouthOrigin of … A Medusae is an invertebrate, alien parasitic organism that resides within the Aeldari Webway. Who led the Argonauts in search of the Golden Fleece?
She was usually represented as a winged female creature having a head of hair consisting of snakes; unlike the Gorgons, she was sometimes represented as very beautiful. These highly empathic parasites look like a collection of brains and spinal cords one atop another, and they float through the Æther like jellyfish, feeding on the daydreams and nightmares of mortals. Available under CC-BY-SA license.The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. ^ “San Diego Zoo's Got Questions?
Sense organs and tentacles are borne on the umbrella rim. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. la Biol. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.Articles from Britannica Encyclopedias for elementary and high school students. Hydrozoa: More on Morphology: Most hydrozoans show the same alternation between polyp and medusa phases that the Scyphozoa, or "true" jellyfish, have.A fertilized egg develops into a sessile polyp, which buds asexually and eventually buds off one or more medusae.The medusa produce eggs and sperm, reproduce sexually, and thus the cycle is repeated. All rights reserved.68, k), absent in Chondrophorida and Cystophorida; they are contractile and resemble, both in appearance, structure and function, the umbrella of a medusa, with radial canals, ring-canal and The muscle-fibres arise as processes from the bases of the epithelial cells; such cells may individually become sub-epithelial in position, as in the polyp; or, in places where muscular tissue is greatly developed, as in the The circular system is developed continuously over the entire subumbral surface, and the One, the " upper " or ex-umbral nervering, is derived from the ectoderm on the ex-umbral side of the
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Medusa, in Greek mythology, the most famous of the monster figures known as Gorgons. Get kids back-to-school ready with Expedition: Learn!
All rights reserved.English Wiktionary. As nouns the difference between medusa and velum is that medusa is (zoology) a non-polyp form of individual cnidarians, consisting of a gelatinous umbrella-shaped bell and trailing tentacles while velum is a thin membrane, resembling a veil, such as:. Animal Group Names”, in (Please provide the title of the work)[1], accessed 2008-01-19
All rights reserved.THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. The convex aboral surface is the exumbrella and the concave oral surface is the subumbrella.
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