marsupial bone: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “marsupial bone” mean?
The epipubic bones, a pair of small bones projecting forward from the pelvis in marsupials and some other mammals, supporting the pouch.
Audio
Pronunciation
Definition
Meaning and Definition
The epipubic bones, a pair of small bones projecting forward from the pelvis in marsupials and some other mammals, supporting the pouch.
In comparative anatomy, refers to a skeletal feature once considered a defining trait of marsupials, now known to be present in some placental mammals and their ancestors; sometimes used metaphorically to denote a fundamental, distinguishing characteristic.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage. The term is consistent in scientific English globally.
Connotations
Purely technical and neutral. Carries connotations of specialized biological knowledge.
Frequency
Extremely low frequency in general language. Usage is almost exclusively confined to academic and scientific texts.
Grammar
How to Use “marsupial bone” in a Sentence
The [animal/species] possesses/has marsupial bones.Marsupial bones are found in/on [body part].The evolution of the marsupial bone is linked to...Researchers studied the marsupial bone of [specimen].Vocabulary
Collocations
Examples
Examples of “marsupial bone” in a Sentence
noun
British English
- The fossil clearly showed the distinctive marsupial bones.
- Their function in supporting the pouch is well-documented.
American English
- The presence of marsupial bones was a key finding.
- These bones are not exclusive to modern marsupials.
Usage
Meaning in Context
Business
Not used.
Academic
Used in zoology, anatomy, evolutionary biology, and paleontology papers and textbooks.
Everyday
Virtually never used.
Technical
The primary context. Used to describe a specific osteological feature.
Vocabulary
Synonyms of “marsupial bone”
Neutral
Weak
Watch out
Common Mistakes When Using “marsupial bone”
- Using it as a general term for any bone in a marsupial. Confusing it with the pelvis itself. Capitalising it as a proper noun.
FAQ
Frequently Asked Questions
Yes, all extant marsupials possess epipubic (marsupial) bones. They are a characteristic feature of the group.
No. While a defining feature of marsupials, they are also found in monotremes (like the platypus) and were present in many extinct mammalian groups, suggesting an ancestral trait.
They are synonyms. 'Epipubic bone' is the more precise anatomical term, while 'marsupial bone' is a common-name derivative referencing the group where it is most prominent.
Rarely. It might be used metaphorically in very specialized writing (e.g., history of science, philosophy) to denote a core, identifying characteristic of a system or idea.
The epipubic bones, a pair of small bones projecting forward from the pelvis in marsupials and some other mammals, supporting the pouch.
Marsupial bone is usually technical/scientific in register.
Marsupial bone: in British English it is pronounced /mɑːˈsuː.pi.əl bəʊn/, and in American English it is pronounced /mɑːrˈsuː.pi.əl boʊn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a kangaroo's pouch (marsupium) being held up by a tiny bone 'hanger' – that's the marsupial bone.
Conceptual Metaphor
A FOUNDATIONAL/DEFINING FEATURE (e.g., 'Free speech is the marsupial bone of a democracy').
Practice
Quiz
What is the primary function of the marsupial bone?