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The Hirudinea
41514
The Hirudinea
http://www.earthlife.net/inverts/hirundinae.html
An introduction to the biology, classification and ecology of leeches, the subclass Hirundinae
Biology > Biota > Fauna > Annelida > Hirudinea
Jan 6, 2008
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Other links at Biology > Biota > Fauna > Annelida > Hirudinea
The authors found freshwater leeches from an industrially polluted creek to contain very high residues of chlorophenols.
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2. Leeches
Photographs of various species from the North Pacific and the Ukraine.
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Photographs of members of representative taxa, and the equipment used in studying them.
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Exercise from Invertebrate Anatomy OnLine covering the systematics, natural history, external and internal anatomy and behavior of this leech and another leech, Hirudo medicinalis.
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A term paper on leeches, some of the most loathed and degraded invertebrates around?
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The authors investigated the salivary gland cells of leeches.
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The authors state that Piscicola geometra (L.), Piscicola respirans Troschel, 1850, and Caspiobdella fadejewi (Epshtein, 1968) find their hosts (fishes) by reacting to their shadow.
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The authors show that the vector tissue in four species of leeches is composed of a mass of cells located directly beneath the copulatory area, and two thin strands extend toward the ovaries.
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