ECHINODERMS AND PROTOCHORDATES

Starfish dissection

starfish_whole_dorsal_labeled.jpg (60180 bytes) Dorsal view of starfish showing external anatomy
starfish_ventral_labeled.jpg (52883 bytes) Dorsal view of a dissected starfish showing rectal cecum, anus, madreporite, pyloric stomach, pyloric duct 
starfish_cardiac_stomach2.jpg (71388 bytes) Dorsal view of a dissected starfish showing madreporite, stone canal, cardiac stomach, and ampullae
starfish_gonad.jpg (55612 bytes) Dorsal view of a dissected starfish showing gonads and ampullae
starfish_madreporite_stonecanal.jpg (53687 bytes) Close up of madreporite and stone canal
starfish_pyloric_cecum.jpg (63416 bytes) Dorsal view of a dissected starfish showing pyloric cecum and pyloric ducts
starfish_mouth_cardiac_stomach.jpg (49920 bytes) Dissection showing where cardiac stomach opens into the mouth
starfish_whole_ventral_labeled.jpg (60659 bytes) Ventral view of starfish showing external anatomy
asteris_arm_xs.jpg (25315 bytes)

Asteris arm (microscopic x.s.)

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