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Fig. 6 | BMC Developmental Biology

Fig. 6

From: A practical staging atlas to study embryonic development of Octopus vulgaris under controlled laboratory conditions

Fig. 6

Development of the funnel apparatus in O. vulgaris. Light sheet image of the posterior side of the embryo focusing on the funnel apparatus, showing its gradual thickening and fusion to form a funnel tube by Stage XIII. The funnel rudiments visible at Stage IX (a) fuse at the ventral margins at Stage X (white arrow in b). The rudiments then bend towards the midline at Stage XI (c) until they are touching one another at Stage XII.1 (d). Fusion to form the tube starts at the ventral extremity at Stage XII.2 (e) and closure finishes at the dorsal side by Stage XIII (f). Abbreviations: D, dorsal; ey, eye; fu, funnel; V, ventral

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BMC Developmental Biology

ISSN: 1471-213X

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