| 11. | The umbilicus itself is decorated with a transversely-channelled sculpture.
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| 12. | The umbilicus is small and shallow, the suture only slightly sinuous.
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| 13. | Before rupture, an AAA may present as a large, umbilicus.
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| 14. | How exactly the metastases reach the umbilicus remains largely unknown.
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| 15. | The columellaris is strong and the umbilicus is usually covered.
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| 16. | The aperture is slightly oblique and the umbilicus is wide.
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| 17. | The umbilicus is moderately wide, becoming wider at the last whorl.
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| 18. | The umbilicus is wide and deep, but internally narrowed.
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| 19. | The umbilicus is rather wide, with an abrupt edge.
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| 20. | The umbilicus is deep, very narrow, longitudinally very finely striated.
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