Photoreceptive organs in larvae of Spionidae (Annelida) and Sipuncula

A pair of spherical unpigmented ocelli in addition to pigmented eyes have been observed in the anterior part of the prostomium in larvae of more than 40 species of Spionidae examined alive with light microscopy. Ocelli become visible in larvae at the one‐ to three‐segment stage, increase in size as...

Ausführliche Beschreibung

Bibliographische Detailangaben

Veröffentlicht in:	Journal of zoology (1987) 2006-04, Vol.268 (4), p.335-340
Hauptverfasser:	Radashevsky, V. I., Migotto, A. E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cells Eyes & eyesight Insects larva Life cycles nuchal organs pelagosphera phylogeny unpigmented ocelli
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!