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The parasphenoid bone in frog forms (a) ...

The parasphenoid bone in frog forms
(a) Base of cranium
(b) Floor of cranium
(c) Dorsal side of cranium
(d) Dorsolateral side of cranium

A

Base of cranium

B

Floor of cranium

C

Dorsal side of cranium

D

Dorsolateral side of cranium

Text Solution

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The correct Answer is:
To answer the question regarding the parasphenoid bone in frogs, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Question**: The question asks about the role of the parasphenoid bone in frogs and what part of the cranium it forms. 2. **Identifying the Location of the Parasphenoid Bone**: The parasphenoid bone is located in the skull of the frog. It is important to note its anatomical position in relation to other bones. 3. **Analyzing the Structure of the Parasphenoid Bone**: The parasphenoid bone is described as a flattened bone that has an inverted T shape. This structural characteristic is significant in determining its function. 4. **Determining the Function**: Since the parasphenoid bone is situated beneath the sphenoid bone, it is positioned at the base of the skull. This indicates that it plays a role in forming the lower part of the cranial cavity. 5. **Conclusion**: Based on its location and structure, we can conclude that the parasphenoid bone forms the floor of the cranium in frogs. 6. **Selecting the Correct Option**: Therefore, the correct answer to the question is (b) Floor of cranium. ### Final Answer: (b) Floor of cranium ---
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