muscletissue
Muscletissue is a specialized body tissue composed of contractile cells that enable movement, posture maintenance, and heat production. It comprises the majority of muscle mass in vertebrates and interacts closely with nerves, blood vessels, and connective tissue.
There are three main types: skeletal, cardiac, and smooth. Skeletal muscle consists of long, multinucleated fibers
Muscle fibers contain myofibrils arranged into sarcomeres, the basic contractile units. Contraction uses actin and myosin
Developmentally, muscle tissue forms from mesodermal cells via myogenesis, with myoblasts fusing to form fibers. Satellite
Connective tissue organizes muscle into units: the epimysium surrounds the whole muscle, the perimysium encases fascicles,
Clinical relevance includes muscular dystrophies, inflammatory myopathies, cramps, and fibrosis after injury. Understanding muscle tissue supports