The optic nerve in four species of Lactrodectus (Araneae, Theridiidae)

The optic nerve in four species of Lactrodectus (Araneae, Theridiidae)

The pathway of the optic nerves in the studied species of Latrodectus shows intraspecific variation. Dilatations, empty or containing a pigment of unknown function, can be seen in the nerves. Curiously this pigment originates in the retinal cells. The optic nerves run through the prosoma and merge,...

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Veröffentlicht in:The Journal of arachnology 1995-01, Vol.23 (1), p.31-36
Hauptverfasser: de la Serna de Esteban, CJ, Spinelli, C M
Format: Artikel
Sprache:spa
Schlagworte:
Araneae
Theridiidae
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Zusammenfassung:The pathway of the optic nerves in the studied species of Latrodectus shows intraspecific variation. Dilatations, empty or containing a pigment of unknown function, can be seen in the nerves. Curiously this pigment originates in the retinal cells. The optic nerves run through the prosoma and merge, forming two or four optic centers, which are finally joined into a single one.
ISSN:0161-8202