Fig. 5 in Anatomy of the Tantulocarida: first results obtained using TEM and CLSM. Part I: tantulus larva

Fig. 5 Epidermis and cuticle, tantulus larva (TEM). a, g Microdajus tchesunovi; b–f, h Arcticotantulus pertzovi. a Epidermis. b Transverse cross- section through cephalon, ventrally. Multimembranous body in epidermis indicated with a star. c Longitudinal section through cephalon, multimembranous bodies in epidermis indicated with a star, ventral part. d Transverse cross- section through cephalon, epidermal cell with endoplasmic reticulum, ventral part. e Transverse cross-section through cephalon showing attachment site of the paired muscle strands to the dorsal body wall. f Metamorphosing tantulus larva, transverse section through the middle part of cephalon showing cuticle and epithelium structure. g Tantulus larva, sagittal section through the middle of cephalon showing cuticle and epidermis structure. h Metamorphosing tantulus larva, ventral margin of cephalon with cuticular ridges, anterior part, transverse section, TEM. ed., epidermis; e.r., endoplasmic reticulum; g., gut; m.a., muscle attachment site; n., nucleus; nu., nucleolus; procut., procuticle; v.r., ventral cuticular ridges. Scale bars in micrometers