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Fossa - Meaning, Definition & English Examples

A fossa is a large, carnivorous mammal native to Madagascar, resembling a cat. It is also an anatomical term for a shallow depression or hollow in a bone or organ.

fossa

/ˈfɑsə/ /ˈfɒsə/

Definition:

A shallow depression or hollow in a bone or anatomical structure.

Synonyms:

pit, cavity, hollow, depression

Part of Speech:

noun

Antonyms:

bulge, protrusion

Common Collocations:

temporal fossa, mandibular fossa, iliac fossa, glenoid fossa

Derivatives:

fossae (plural), fossate (adj.)

Usage Tips:

Use "fossa" to describe anatomical depressions; avoid in general contexts unless discussing biology or medicine.

Common Phrases:

"fossa ovalis, " "mandibular fossa, " "iliac fossa"

Etymology:

From Latin "fossa," meaning "ditch" or "trench."

Examples:

  • 1. The cat’s skull has a deep fossa for muscle attachment.
  • 2. The doctor examined the iliac fossa for signs of tenderness.
  • 3. A fossilized femur often shows a distinct fossa near the joint.
  • 4. The glenoid fossa articulates with the humerus in the shoulder joint.

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