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Figure 2 | Frontiers in Zoology

Figure 2

From: Embryonic and post-embryonic development of the polyclad flatworm Maritigrella crozieri; implications for the evolution of spiralian life history traits

Figure 2

Ciliary band migration in Maritigrella crozieri embryos. CLSM micrographs of post-gastrulation acetylated tubulin stained wholemounts. (A) Posterior view showing ciliary ring around stomodeum (st) at posterior pole and the early ciliary band (cb). (B-C) Lateral view - anterior up - (B) ciliated epidermis and sub-equatorial ciliary band, (C) four branches of ciliary band migrate anteriorly, (D) Ventral view at focal plane of developing protonephridial canal cells (pnp). (E) Ventral view - stomodeum migrates ventrally, (F) Ventral and left lateral view - ciliary band demarcates position where the eight larval lobes will form (oral hood, oh, ventro-lateral lobe, vll, lateral lobe, ll, dorsal lobe, dl), cilia in the protonephridia lumen (pnp) and pharynx (ph) are visible. (G) Left lateral view-pre-hatchling showing continual band of longer cilia round the lobes and fused intestine (in) and pharynx. Scale bars 100 μm

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