Fig. 6From: Morphology, performance and attachment function in Corynosoma spp. (Acanthocephala)Cycle of evagination-invagination of the proboscis in a male cystacanth of Corynosoma australe. Sequence of events have been labelled with letters (a-h) to ease explanation (see the text for details). Scale-bar: 1 mmBack to article page