What is the epineurium in connective tissue?

• A. A dense layer of connective tissue that surrounds an entire nerve
• B. A thin layer of connective tissue that lines the cavities of joints
• C. A layer of connective tissue that surrounds individual muscle fibers
• D. A type of connective tissue that forms the framework of lymphoid organs

Answer: (A)

Verified step by step guidance

1. Understand the context: The question is about the epineurium, which is a specific type of connective tissue associated with nerves.
2. Identify the role of the epineurium: The epineurium is known to be a protective layer that surrounds an entire nerve, providing structural support and protection.
3. Differentiate between the options: Compare the function and location of the epineurium with the other options provided, such as connective tissues associated with joints, muscle fibers, and lymphoid organs.
4. Clarify the structure of a nerve: A nerve is composed of multiple bundles of nerve fibers, and the epineurium is the outermost layer that encases these bundles, distinguishing it from other connective tissues.
5. Conclude with the correct identification: Based on the understanding of the epineurium's function and location, determine that it is a dense layer of connective tissue that surrounds an entire nerve.