Histological Examination of Precious Corals from the Ryukyu Archipelago

Figure 5

Transverse section of Paracorallium japonicum; OCA-Cn20080405-022. 1: axis, 2: coenenchyme, 3: siphonozooid, 4: siphonozooid opening, 5: gamete (oocyte), 6: vasucular canals, 7: lacunae of sclerite.