Fig. 3

Muscular apparatus serving the jaws of Histriobdella homari, confocal maximum projections. Jaws – black; nuclei – blue; musculature – red; tubulinergic nervous system – white. a. General view of the muscular apparatus. Ventral view. b. Lateral view of the anterior end, transmission light microscopy and cLSM. c. 3D reconstruction of the buccal muscles of the ventral pharyngeal organ. d. The buccal complex with the complete set of muscle elements of the anterior part of the body. Dorsal view. e. Ventral view of the buccal complex with the complete set of muscle elements of the anterior part of the body. br, brain; drf, dorsal rod flexor; sg, salivary gland; m, mouth; md, mandibula; mx, maxillae; t, tentacle; vb, ventral muscle bulb; vcr, ventral carrier retractor