Fig. 8
From: Siphonal zone structure in the cuttlebone of Sepia officinalis
Sepia officinalis. Beach-collected cuttlebone; Vale do Lobo, southern Portugal. Longitudinal section of cuttlebone showing dorsal shield (top), mural part of septum (middle) and prismatic basal part of pillar structures in contact with laminated septum. Scale bar is 50 µm. dsh dorsal shield, pi pillar structure, s septum