| This requires that all zooidal walls grew independently of the rhythm of feeding polypide cycles. |
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| Therefore, the two growth constants, isochronous growth levels and simultaneous secretion across shared zooidal boundaries, apply to primary cystiphragm-cortex units. |
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| Large cystiphragmconstricted zooidal void spaces, a low overall proportion of zooecial space, and a low overall proportions of space taken up by cystiphragms. |
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| Adventitious avicularia and cortical zooidal polymorphs are not apparent. |
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