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Multiple Choice
A round or oval opening through a bone is called a:
A
foramen
B
meatus
C
condyle
D
fossa
Verified step by step guidance
1
Step 1: Understand the anatomical terminology. A round or oval opening through a bone is a specific type of structure that allows for the passage of nerves, blood vessels, or other structures.
Step 2: Define each term provided in the options:
- Foramen: A round or oval opening through a bone, typically for the passage of nerves or blood vessels.
- Meatus: A canal-like passageway through a bone.
- Condyle: A rounded articular projection on a bone, often involved in joint formation.
- Fossa: A shallow depression in a bone, often serving as an articular surface.
Step 3: Compare the definitions to the question. The question specifically asks for a round or oval opening, which matches the definition of a foramen.
Step 4: Eliminate incorrect options based on their definitions. Meatus refers to a canal, condyle refers to a joint projection, and fossa refers to a depression, none of which match the description of a round or oval opening.
Step 5: Conclude that the correct answer is 'foramen' based on the anatomical definition and comparison to the question.