Multiple Choice
Where is dense regular connective tissue primarily found in the body?
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4. Tissues & Histology
Connective Tissue Proper: Dense Connective Tissue
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Which connective tissue wrapping surrounds bundles (fascicles) of axons in a nerve?
A
Endoneurium
B
Epineurium
C
Perineurium
D
Perimysium
Verified step by step guidance1
Step 1: Understand the structure of a nerve. A nerve is composed of bundles of axons, which are organized into fascicles. These fascicles are surrounded by specific connective tissue wrappings.
Step 2: Review the connective tissue layers associated with nerves. The three main layers are: Endoneurium (surrounds individual axons), Perineurium (surrounds fascicles of axons), and Epineurium (surrounds the entire nerve).
Step 3: Focus on the term 'fascicles' in the question. Fascicles refer to bundles of axons within a nerve, so the connective tissue wrapping that surrounds these bundles is the Perineurium.
Step 4: Differentiate between similar terms. For example, Perimysium is a connective tissue layer found in muscles, not nerves, and surrounds muscle fascicles. This term is unrelated to the structure of nerves.
Step 5: Conclude that the correct connective tissue wrapping for bundles (fascicles) of axons in a nerve is the Perineurium, based on its specific function and anatomical location.
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