Morphological Characterization of Emerging Cercariae among Lymnaeid Snails from Barangay Cawongan, Padre Garcia, Batangas, Philippines

Figure 5

Development of an echinostome larva released from an unknown encysted form. (a) Encysted larval form. (b) Partial emergence of larva showing its head. (c) Larva newly emerged from its encysted form. (d) Fully emerging larva complete with its head and tail. Rippled bifurcated structure shown.

(a)

(b)

(c)

(d)