D. L. Lee

University of Leeds, Leeds, England, United Kingdom

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Publications (3)6.13 Total impact

  • M. W. Trett, D. L. Lee
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    ABSTRACT: The ultrastructure of the cephalic sense organs of Hummerschmidtiella diesingi (Hammer-Schmidt, 1838), a parasite of cockroaches, is described using scanning and transmission electron microscopy. The four cephalic papillae are apparently mechanoreceptors and terminate as flattened dendritic processes within the cuticle. The hypodermis and sheath cells associated with these are described. The amphids resemble those described for other nematodes and are thought to be chemosensory. Each contains six main dendritic processes within the amphidial canal. Double and single microtubules, of varying arrangement, are present within these processes but basal bodies have not been found. The association between the amphids, the amphidial sheath cells and the hypodermis is also described.The inner and outer labial papillary neurons terminate beneath the cuticle and do not innervate cuticular sense organs. The outer labial dendrites, however, do produce dendritic processes.Possible functions of these sense organs are discussed.
    Journal of Zoology 12/2010; 194(1):41 - 52. · 2.04 Impact Factor
  • D. L. Lee
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    ABSTRACT: The copulatory spicules of the nematodes Heterakis gallinarum and Nippostrongylus brasiliensis have been shown to contain nerve axons and to possess cholinesterase activity associated with these axons. The structure and position of these axons indicates that the spicule is a tactile organ which is capable of acting as a sensory probe during copulation.
    Journal of Zoology 05/2010; 169(3):281 - 285. · 2.04 Impact Factor
  • D. L. Lee
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    ABSTRACT: This cephalic sense organ of Mermis nigrescens is unusual in that it is innervated by a dendrite which ends in two dendritic processes. These dendritic processes contain numerous neurotubules. There is a basal plate at the base of the dendritic process, and this is associated with a well-developed system of striated fibres which extend into the cytoplasm of the dendrite.
    Journal of Zoology 08/2009; 173(2):247 - 250. · 2.04 Impact Factor

Publication Stats

6 Citations
6.13 Total Impact Points

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Institutions

  • 2009–2010
    • University of Leeds
      Leeds, England, United Kingdom