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Hydromedusa
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Description: "Diagram showing possible modifications of persons of a gymnoblastic Hydromedusa. a, hydrocaulus (stem); b, hydrohiza (root); c, enteric cavity; d, endoderm; e, ectoderm; f, perisarc (horny case); g, hydranth (hydriform person) expanded; g', hydranth (hydriform person) contracted; h, hypostome, bearing mouth at its extremity; k, sacciform gonophor (sporosac) springing from the hydrocaulus; k', sporosac springing from m, a modified hydriform person (blastostyle): the genitalia are seen surrounding the spadix or manubrium; l, medusiform person or medusa; m, blastostyle." — Encyclopedia Britannica, 1893
Source: The Encyclopedia Britannica, New Warner Edition (New York: The Werner Company, 1893)XII:560
Keywords: Hydromedusa, Gymnoblastic, Hydrocaulus, Hydrohiza, Enteric, Endoderm, Ectoderm, Perisarc, Hydranth, Hypostome,
Copyright: 2009, Florida Center for Instructional Technology. See license.
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