Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
umbilicus
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "umbilicus" is correct and usable in written English.
It is typically used in medical or anatomical contexts to refer to the navel or belly button. Example: "The umbilicus is an important landmark in abdominal surgeries."
✓ Grammatically correct
Encyclopedias
News & Media
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
25 human-written examples
Put another way, only 0.6% of them were anaemic, compared with 5.7% of the rapidly clamped.Rapid clamping of the umbilicus, then, seems to cause one child in 20 to become anaemic, at least in the early months of its life.
News & Media
But that is unproven, and would be a strike against evolution because, in nature, the umbilicus of a mammal usually does remain attached to the infant for some time after birth.
News & Media
Like many Indian sceptics, he is nostalgic for the days when production decisions "were tied umbilically to national development and sovereignty .Gurcharan Das is correct that the umbilicus was strangling the baby.
News & Media
Navel, also called umbilicus, plural umbilici, or umbilicuses, in anatomy, a small depression in the abdominal wall at the point of attachment of the umbilical cord.
Encyclopedias
A number of endodontid land snails on Pacific islands deposit their eggs in the umbilicus, an opening in the shell base.
Encyclopedias
The Central World is surrounded by an immense belt that connects it to the Lower World through an umbilicus of sorts; it connects to the Upper World by the Pillar of the World.
Encyclopedias
The new kidney is implanted in the iliac fossa, a space in the groin area just below and to the side of the umbilicus; usually a right kidney is placed in the left fossa and vice versa to aid in making new attachments between blood vessels.
Encyclopedias
Garifuna people explain that this parental behaviour is essential for proper infant development: a child receives food from its mother (in the form of breast milk) but gains its life force directly from its father, through a spiritual umbilicus.
Encyclopedias
In the newborn a lack of prothrombin leads to the condition known as hemorrhagic disease of the newborn, characterized by spontaneous internal and external hemorrhage, particularly from the umbilicus or mucous membranes; although this abnormal bleeding tends to run a short, self-limited course, it can sometimes have a fatal outcome.
Encyclopedias
At that point, the whole cast and crew had moved on to a different set, so there I sat, all alone, in increasingly severe postpartum pain, bleeding from the forehead, lactating all over my blouse, and pulling and tugging at a plastic clip that wouldn't budge off my poor newborn's now oozing umbilicus.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
Once you and the helmet were submerged, you could walk anywhere your air hose-umbilicus would allow.
News & Media
Expert writing Tips
Best practice
When using "umbilicus" in medical writing, ensure it is the most appropriate term given the audience's knowledge. In less formal contexts, "navel" or "belly button" may be more suitable.
Common error
Avoid using "umbilicus" in casual conversation or informal writing where simpler terms like "navel" or "belly button" are more appropriate. Using it in the wrong setting can sound pretentious or overly clinical.
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "umbilicus" is as a noun. It typically functions as a subject or object in a sentence, referring to the navel or a similar central point. As Ludwig AI explains, the word is correct and usable in written English.
Frequent in
Encyclopedias
40%
News & Media
40%
Science
20%
Less common in
Formal & Business
0%
Social Media
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "umbilicus" is a grammatically correct and commonly used noun that refers to the navel. As Ludwig AI confirms, it's suitable for formal, medical, and scientific contexts. While synonyms like "navel" and "belly button" exist for more informal use, "umbilicus" maintains a certain level of precision in specific domains. Its presence in authoritative sources such as Encyclopedia Britannica, The New York Times, and The Economist underscores its reliability and correctness in diverse writing scenarios. The key takeaway is to be mindful of the context and audience when choosing between "umbilicus" and its more common synonyms.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
navel
More common and widely understood synonym for the anatomical feature.
belly button
Informal term for the navel, suitable for casual contexts.
omphalos
Greek term for navel, conveying a sense of antiquity or origin.
umbilical point
Emphasizes the specific location where the umbilical cord was attached.
central connection
Highlights the role of the umbilicus as a connection point.
point of origin
Focuses on the navel as the body's point of origin.
abdominal indentation
Describes the physical appearance of the navel as a depression in the abdomen.
birth scar
Emphasizes that the umbilicus is a scar resulting from birth.
connecting link
Emphasizes the umbilicus as a link between mother and child.
center of the abdomen
Describes the location of the umbilicus on the abdomen.
FAQs
What is the definition of "umbilicus"?
The "umbilicus" is the anatomical term for the navel or belly button, representing the point of attachment of the umbilical cord.
When should I use "umbilicus" instead of "navel" or "belly button"?
Use "umbilicus" in formal, medical, or scientific contexts. "Navel" and "belly button" are more appropriate for general or informal communication.
What are some synonyms for "umbilicus"?
Synonyms include "navel", "belly button", and "omphalos".
Is "umbilicus" a correct term to use in scientific writing?
Yes, "umbilicus" is a correct and appropriate term for scientific and medical writing when referring to the navel.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested