petrous
/'petrəs/
Definition
- Adjective:
- Resembling stone in hardness: Used primarily in anatomical contexts to describe bone that is extremely dense and hard, particularly referring to the petrous part of the temporal bone in the skull.
- Of or relating to the petrous portion of the temporal bone: Pertaining to a specific, dense pyramid-shaped section of the temporal bone that houses the inner ear.
Usage Examples
- Adjective:
- The surgeon noted the extreme density of the petrous bone during the procedure.
- A fracture of the petrous part of the temporal bone can be a serious injury.
Advanced Usage
- "Petrous apex": A specific anatomical term referring to the very tip of the petrous portion of the temporal bone.
- The lesion was located near the petrous apex, making the surgery complex.
Variants and Related Words
- Petrosal (adj): A closely related term often used interchangeably with "petrous" in anatomical contexts, particularly concerning nerves or sinuses associated with this bone.
- The petrosal nerve passes through this canal.
Synonyms
- Stony: Having the hardness or appearance of stone.
- Rock-like: Resembling rock in hardness or solidity.
Notes on Meaning
The word "petrous" is highly specialized and is almost exclusively used in medical, anatomical, and biological contexts. Its meaning is directly tied to the Latin root "petrosus," meaning "rocky" or "stony." It does not have common idiomatic or phrasal verb uses.
Adjective
-
(of bone especially the temporal bone) resembling stone in hardness
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