coccyx
/'kɔksiks/
Học thuậtThân thiện
Definition
- Noun:
- The small triangular bone at the base of the human spinal column: The coccyx is the final segment of the vertebral column, formed by the fusion of several small vertebrae. It is commonly referred to as the tailbone.
Usage
The word "coccyx" is a singular noun. Its standard plural form is "coccyges" (pronounced /kɒkˈsaɪ.dʒiːz/), though "coccyxes" is also an accepted variant in common usage. It is primarily used in medical, anatomical, and formal contexts.
Examples
- Noun:
- A fall directly onto the buttocks can result in a bruised or fractured coccyx.
- The coccyx is a vestigial structure, meaning it is a remnant of an anatomical feature (like a tail) that was functional in our evolutionary ancestors.
Advanced Usage
- "Coccygeal" (adjective): Pertaining to the coccyx.
- The patient experienced pain in the coccygeal region.
Variants and Related Words
- Tailbone: A common, non-technical synonym for the coccyx.
- Coccygeal: The adjectival form.
- Coccygectomy (noun): The surgical removal of the coccyx.
- A coccygectomy is a rare procedure for chronic, unrelenting coccyx pain.
Synonyms
- Tailbone: The informal term for the coccyx.
Different Meanings
The word "coccyx" has a single, specific anatomical meaning and does not have other common definitions.
Noun
- the end of the vertebral column in humans and tailless apes