Figure 5From: Consuming viscous prey: a novel protein-secreting delivery system in neotropical snail-eating snakesFrontal view of the head of Dipsas alternans . Openings of the mandibular ducts (d-il2), expanded and visible laterally to the tip of the dentaries (arrows) in Dipsas alternans (MZUSP 8833). Scale bar = 2 mm.Back to article page