The strobila may look like a stack of saucers, the saucers being the immature medusae called ephyrae. |
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The youngest portion of the strobila is just behind the neck, while the oldest portion is at the posterior end of the body. |
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The strobila is made up of anywhere from a few to more than one thousand proglottids but usually contains several dozen. |
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This slide shows the late strobila stage of the jellyfish Aurelia. |
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In the hymenolepid cestode Fimbriaria fasciolaris, the vitellaria and uterus are continuous throughout the strobila. |
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