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Fig. 9 | Frontiers in Zoology

Fig. 9

From: The central nervous system of Oweniidae (Annelida) and its implications for the structure of the ancestral annelid brain

Fig. 9

TEM, Owenia fusiformis. a: The intermediate filaments (if) are attached to the cell surface by hemidesmosoms (hd). Microvilli proceed (mv) into the cuticle (cu). b: eye spot shown in Fig. 1a. Pigment cells (pc) are arranged in a row. The apical parts of the cells possess microvilli (mv) which extend into the cuticle (cu). The brain neuropil (np) is located underneath the eye. if: intermediate filaments

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Frontiers in Zoology

ISSN: 1742-9994