Definition of umbilicus in English:

umbilicus

nounPlural umbilicuses, Plural umbilici ˌʌmbɪˈlʌɪkəsʌmˈbɪlɪkəsˌəmˈbɪlɪkəs

1Anatomy
The navel.
〔解剖〕脐
Example sentencesExamples
- The incision is made either horizontally just above the pubic bone (around the top of a bikini line) or vertically from just below the umbilicus (belly button) down to the pubic bone.
- A 22-gauge needle can be inserted in a Z-tract fashion, to minimize leakage of fluid after the paracentesis, in midline between the umbilicus and the pubis symphysis in order to avoid collateral vessels.
- Conventional colorectal surgery was performed through a vertical midline incision that extended from 5 cm to 10 cm above the umbilicus to the mons pubis.
- The normal umbilicus is symmetrically indented into the abdominal wall, though it may be nearly flat in very slender people.
- He has a palpable ‘olive’ above the umbilicus near midline and he is severely dehydrated.
2Zoology
A depression or hole at the centre of the shell whorls of some gastropod molluscs and many ammonites.
〔动〕（贝壳的）脐
Example sentencesExamples
- A coiled conch develops a closed umbilicus only when certain very limited conditions are fulfilled, thus permitting only very limited degrees of freedom.
- Such a high value can only be realized in conchs with very low WER and a small umbilicus.
- Only in conch thickness do they show a relatively wide variability, ranging from pachyconic conchs with moderately wide umbilici to extremely slender, oxyconic conchs with closed umbilici.
- Paosia differs from the enigmatic and poorly defined Pterodonta by having a much less globose adult last whorl, lower spire, anterior end of outer lip projected and incurved, a more sinuous growth line, and in lacking an umbilicus.
- One side of the shell is nearly flat, and the opposite side is concave because of the wide umbilicus.
1. 2.1 A hole at each end of the hollow shaft of a feather.
  〔动〕翮孔
  Example sentencesExamples
  The main feather may have an afterfeather attached to it, arising from the underside of the feather at the superior umbilicus.

Origin

Late 17th century: from Latin: related to Greek omphalos, also to navel.

Definition of umbilicus in US English:

umbilicus

nounˌəmˈbɪlɪkəsˌəmˈbilikəs

Anatomy

1The navel.
〔解剖〕脐
Example sentencesExamples
- A 22-gauge needle can be inserted in a Z-tract fashion, to minimize leakage of fluid after the paracentesis, in midline between the umbilicus and the pubis symphysis in order to avoid collateral vessels.
- The normal umbilicus is symmetrically indented into the abdominal wall, though it may be nearly flat in very slender people.
- He has a palpable ‘olive’ above the umbilicus near midline and he is severely dehydrated.
- Conventional colorectal surgery was performed through a vertical midline incision that extended from 5 cm to 10 cm above the umbilicus to the mons pubis.
- The incision is made either horizontally just above the pubic bone (around the top of a bikini line) or vertically from just below the umbilicus (belly button) down to the pubic bone.
1. 1.1Zoology A depression or hole at the center of the shell whorls of some gastropod mollusks and many ammonites.
  〔动〕（贝壳的）脐
  Example sentencesExamples
  One side of the shell is nearly flat, and the opposite side is concave because of the wide umbilicus.
  Only in conch thickness do they show a relatively wide variability, ranging from pachyconic conchs with moderately wide umbilici to extremely slender, oxyconic conchs with closed umbilici.
  A coiled conch develops a closed umbilicus only when certain very limited conditions are fulfilled, thus permitting only very limited degrees of freedom.
  Such a high value can only be realized in conchs with very low WER and a small umbilicus.
  Paosia differs from the enigmatic and poorly defined Pterodonta by having a much less globose adult last whorl, lower spire, anterior end of outer lip projected and incurved, a more sinuous growth line, and in lacking an umbilicus.
2. 1.2Zoology A hole at each end of the hollow shaft of a feather.
  〔动〕翮孔
  Example sentencesExamples
  The main feather may have an afterfeather attached to it, arising from the underside of the feather at the superior umbilicus.

Origin

Late 17th century: from Latin: related to Greek omphalos, also to navel.

单词	umbilicus
释义	Definition of umbilicus in English: umbilicus nounPlural umbilicuses, Plural umbilici ˌʌmbɪˈlʌɪkəsʌmˈbɪlɪkəsˌəmˈbɪlɪkəs 1Anatomy The navel. 〔解剖〕脐 Example sentencesExamples The incision is made either horizontally just above the pubic bone (around the top of a bikini line) or vertically from just below the umbilicus (belly button) down to the pubic bone. A 22-gauge needle can be inserted in a Z-tract fashion, to minimize leakage of fluid after the paracentesis, in midline between the umbilicus and the pubis symphysis in order to avoid collateral vessels. Conventional colorectal surgery was performed through a vertical midline incision that extended from 5 cm to 10 cm above the umbilicus to the mons pubis. The normal umbilicus is symmetrically indented into the abdominal wall, though it may be nearly flat in very slender people. He has a palpable ‘olive’ above the umbilicus near midline and he is severely dehydrated. 2Zoology A depression or hole at the centre of the shell whorls of some gastropod molluscs and many ammonites. 〔动〕（贝壳的）脐 Example sentencesExamples A coiled conch develops a closed umbilicus only when certain very limited conditions are fulfilled, thus permitting only very limited degrees of freedom. Such a high value can only be realized in conchs with very low WER and a small umbilicus. Only in conch thickness do they show a relatively wide variability, ranging from pachyconic conchs with moderately wide umbilici to extremely slender, oxyconic conchs with closed umbilici. Paosia differs from the enigmatic and poorly defined Pterodonta by having a much less globose adult last whorl, lower spire, anterior end of outer lip projected and incurved, a more sinuous growth line, and in lacking an umbilicus. One side of the shell is nearly flat, and the opposite side is concave because of the wide umbilicus. 2.1 A hole at each end of the hollow shaft of a feather. 〔动〕翮孔 Example sentencesExamples The main feather may have an afterfeather attached to it, arising from the underside of the feather at the superior umbilicus. Origin Late 17th century: from Latin: related to Greek omphalos, also to navel. Definition of umbilicus in US English: umbilicus nounˌəmˈbɪlɪkəsˌəmˈbilikəs Anatomy 1The navel. 〔解剖〕脐 Example sentencesExamples A 22-gauge needle can be inserted in a Z-tract fashion, to minimize leakage of fluid after the paracentesis, in midline between the umbilicus and the pubis symphysis in order to avoid collateral vessels. The normal umbilicus is symmetrically indented into the abdominal wall, though it may be nearly flat in very slender people. He has a palpable ‘olive’ above the umbilicus near midline and he is severely dehydrated. Conventional colorectal surgery was performed through a vertical midline incision that extended from 5 cm to 10 cm above the umbilicus to the mons pubis. The incision is made either horizontally just above the pubic bone (around the top of a bikini line) or vertically from just below the umbilicus (belly button) down to the pubic bone. 1.1Zoology A depression or hole at the center of the shell whorls of some gastropod mollusks and many ammonites. 〔动〕（贝壳的）脐 Example sentencesExamples One side of the shell is nearly flat, and the opposite side is concave because of the wide umbilicus. Only in conch thickness do they show a relatively wide variability, ranging from pachyconic conchs with moderately wide umbilici to extremely slender, oxyconic conchs with closed umbilici. A coiled conch develops a closed umbilicus only when certain very limited conditions are fulfilled, thus permitting only very limited degrees of freedom. Such a high value can only be realized in conchs with very low WER and a small umbilicus. Paosia differs from the enigmatic and poorly defined Pterodonta by having a much less globose adult last whorl, lower spire, anterior end of outer lip projected and incurved, a more sinuous growth line, and in lacking an umbilicus. 1.2Zoology A hole at each end of the hollow shaft of a feather. 〔动〕翮孔 Example sentencesExamples The main feather may have an afterfeather attached to it, arising from the underside of the feather at the superior umbilicus. Origin Late 17th century: from Latin: related to Greek omphalos, also to navel.
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