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Fig. 6 | Frontiers in Zoology

Fig. 6

From: Immunohistochemical and ultrastructural properties of the larval ciliary band-associated strand in the sea urchin Hemicentrotus pulcherrimus

Fig. 6

Transmission electron micrograph of the apical protrusion of the ciliary band-associated strand (CBAS, red). (a) The apical protrusion from the CBAS perikaryon was approximately 0.4 μm in diameter (short arrow). Its tip was obliquely decapitated approximately 1.8 μm from the base in this particular thin section. N, nucleus. (b) High-magnification of box (b) in (A). (c) High-magnification of box (c) in (b). Aboral, aboral ectoderm region; CB, the ciliary band (CB) cells; long arrows, basal bodies in the CB cells [blue in (a)]; Oral, oral ectoderm region; white arrow, small vesicles

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