Figure 2.

Schematic of Osedax individual showing the tissues examined for endosymbiont compartmentalization: blue = basal trunk; yellow = anterior ovisac; red = outer ovisac sheath; orange = inner ovisac tissue; and green = posterior ovisac/ root. Drawing is based on a watercolor illustration by Howard Hamon of the South Australia Museum, Adelaide.

Salathé and Vrijenhoek BMC Evolutionary Biology 2012 12:189   doi:10.1186/1471-2148-12-189
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