Which connective tissue surrounds individual muscle fibers?

The endomysium is the connective tissue that surrounds individual muscle fibers. It is a delicate and thin layer that provides support and insulation to each muscle fiber, allowing for the efficient transmission of signals and nutrients. This compartmentalization is crucial as it aids in the coordination of muscle contractions. The endomysium also contains capillaries and nerves that directly supply the muscle fibers, further contributing to their functionality and health. In terms of muscle structure, the endomysium plays a critical role in maintaining the integrity and performance of the muscle at the fiber level.