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Figure 4


Fig. 4. Crustacean cardioactive peptide (CCAP) immunostaining of the esophageal dilator muscles of an early-molt larva. The diffuse, punctate staining is indicative of neurohemal release sites. Inset: diagram of the anterior foregut musculature, brain and frontal ganglion. The box indicates approximate position of the esophageal dilator muscles shown in the figure. Scale bar, 50 µm.