A. Rosacea Arm

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“Diagrammatic vertical section through disc and base of one of the arms of Antedon rosacea. The section is inter-radial on the left, radial on the right. t., Ciliated openings in body wall; h., sub-epithelial ambulacral nerve; l., water-vascular canal; k., tentacle; r., mouth; s., intestine; g., central plexus, with “chambered organ” at its base; f., coelom; R1.-R3., radial plates; Br., brachial plates; u., muscle; a., axial nerve-cord; d., central capsule; C.D., centro-dorsal plate; p., cirri; e., nerve branches from central capsule to cirri.” -Thomson, 1916


TIFF (full resolution)

2400×1750, 801.6 KiB

Large GIF

1024×746, 129.8 KiB

Medium GIF

640×466, 66.2 KiB

Small GIF

320×233, 20.4 KiB