| 1. | Appendectomy may be performed umbilicus or in the pubic hair line.
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| 2. | "Umbilicus rupestris " is used in homeopathic medicine.
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| 3. | The shell may have an open umbilicus or a plugged umbilicus.
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| 4. | The shell may have an open umbilicus or a plugged umbilicus.
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| 5. | Inner whorls are exposed in a wide and fairly deep umbilicus.
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| 6. | umbilicus, become much less prominent and are no longer nodose.
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| 7. | The umbilicus is very large, funnel-shaped and pervious.
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| 8. | The nucleus and interior walls of the umbilicus is dark brown.
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| 9. | The umbilicus is partly or completely covered by the columella expansion.
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| 10. | The umbilicus is funnel-shaped and bounded by an angle.
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