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Ultrastructural organisation of the epidermal glands in the integument of the sea spiders Nymphon gracile Leach 1814, Achelia longipes Hodges 1864, and Pycnogonum littorale (Ström, 1762) (Chelicerata, Pycnogonida)
Thiry, P.; Compère, P.; Bussers, J.-C.; Goffinet, G. (1995). Ultrastructural organisation of the epidermal glands in the integument of the sea spiders Nymphon gracile Leach 1814, Achelia longipes Hodges 1864, and Pycnogonum littorale (Ström, 1762) (Chelicerata, Pycnogonida), in: Schockaert, E.R. (Ed.) Proceedings of the First Benelux Congress of Zoology, Leuven, 4-5 November 1994. Belgian Journal of Zoology, 125(1): pp. 207-213
In: Schockaert, E.R. (Ed.) (1995). Proceedings of the First Benelux Congress of Zoology, Leuven, 4-5 November 1994. Belgian Journal of Zoology, 125(1). Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Diepenbeek. 263 pp., more
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276, more
Peer reviewed article  

Also published as
  • Thiry, P.; Compère, P.; Bussers, J.-C.; Goffinet, G. (1995). Ultrastructural organisation of the epidermal glands in the integument of the sea spiders Nymphon gracile Leach 1814, Achelia longipes Hodges 1864, and Pycnogonum littorale (Ström, 1762) (Chelicerata, Pycnogonida). Belg. J. Zool. 125(1): 207-213, more

Available in Authors 
Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Thiry, P.
  • Compère, P., more
  • Bussers, J.-C., more
  • Goffinet, G., more

Abstract
    The present paper describes the ultrastructural organisation of the epidermal glands in three pycnogonid species: Nymphon gracile, Achelia longipes, and Pycnogonum littorale. These glands are distributed over the whole body surface and lodged in cuticular holes. They are composed of at least five cells: two secretory cells, one enveloping cell, and two (or more) accessory cells. The presence of nerve extensions in contact with the enveloping cell stronly suggests that the glands are under nervous control. They may play a defensive role.

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