FOSSULA PETROSA Meaning and
Definition
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Fossula petrosa refers to a term commonly used in anatomy and paleontology to describe a small, bony pit or depression found in the skeleton, particularly in the temporal bone of mammals. The term is derived from Latin, where "fossula" means "small hollow" or "shallow depression," and "petrosa" refers to "bony" or "rock-like."
In the context of anatomy, the fossula petrosa is typically located within the petrous part of the temporal bone, a dense portion of the skull situated on each side. It can be specifically found in the area surrounding the inner ear, adjacent to the cochlea and vestibule, and extends through the mastoid process. The fossula petrosa can present as a shallow groove, cavity, or depression, accommodating various structures such as nerves and blood vessels related to auditory functions.
In paleontology, the fossula petrosa can also indicate similar skeletal features found in extinct species. They are often used as important anatomical markers for identifying and classifying fossil remains, aiding in the reconstruction of the physical characteristics and evolutionary relationships of ancient animals.
Overall, the term fossula petrosa identifies a small, bony pit or depression that is commonly observed in the temporal bone, serving as an anatomical reference point or feature in both living organisms and ancient fossilized specimens.
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Petrosal fossa, a small and often but faintly marked depression on the inferior surface of the petrous portion of the temporal bone, between the jugular fossa and the external carotid foramen; here opens the canaliculus tympanicus transmitting the tympanic nerve.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for FOSSULA PETROSA
- fossula petrmsa
- fossula petrnsa
- fossula petro3a
- fossula petroca
- fossula petroqa
- fossula petrora
- fossula petrosi
- fossula petrose
- fossula petrosc
- f ossula petrosa
- fo ssula petrosa
- fos sula petrosa
- foss ula petrosa
- fossu la petrosa
- fossul a petrosa
- fossula pe trosa
- fossula pet rosa
- fossula petr osa
- fossula petro sa
- fossula petros a
Etymology of FOSSULA PETROSA
The term "fossula petrosa" is derived from Latin. "Fossula" translates to "small pit" or "small cavity", while "petrosa" translates to "stony" or "bony". When combined, "fossula petrosa" refers to a small bony pit or cavity. This term is often used in anatomy to describe specific structures or features of bones.
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