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Structure of the vector tissue in piscicolid leeches (Annelida, Hirudinea, Rhynchobdellida, Piscicolidae).
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Structure of the vector tissue in piscicolid leeches (Annelida, Hirudinea, Rhynchobdellida, Piscicolidae).
http://www.ncbi.nlm.nih.gov/pubmed/17146772
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.
Biology > Biota > Fauna > Annelida > Hirudinea
animals copulation cytoplasmic granules extracellular matrix female genitalia insemination leeches male microscopy electron transmission ovary phylogeny species specificity spermatozoa
Jan 1, 2007
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Other links at Biology > Biota > Fauna > Annelida > Hirudinea
The authors investigated the phylogenetic relationships of leeches with molecular data.
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The authors found freshwater leeches from an industrially polluted creek to contain very high residues of chlorophenols.
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Article about the medicinal leech from Animal Diversity Web.
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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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The authors determined leeches found on the fishes of the lakes Ukiel, WulpiDskie and Warniak.
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8. 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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10. Class hirudinea.
This page states that leeches are among the most highly specialized of the annelids. They are predominantly freshwater organisms, although there are marine and terrestrial forms. Leeches are highly specialized predators that feed on blood.
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