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Umbilicus |
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umbilicus
1. Biology a hollow or navel-like structure, such as the cavity at the base of a gastropod shell 2. Anatomy a technical name for the navel umbilicus [əm′bil·ə·kəs] (anatomy) The navel; the round, depressed cicatrix in the median line of the abdomen, marking the site of the aperture through which passed the fetal umbilical vessels. Umbilicus (also navel), the cicatrix formed in a newborn infant after the remaining part of the umbilical cord has fallen off (fifth to seventh day after birth). If the tissues surrounding the umbilicus (umbilical ring) are not sufficiently sturdy, an umbilical hernia may develop. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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