Skeletal muscle
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x
Muscle fiber
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x
- Nucleus
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x
- Myofibrils
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x
- Mitochondria
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x
- Sarcolemma
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x
External lamina
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x
Endomysium
A cross section of a portion of a skeletal muscle fiber displays the large numbers of myofibrils filling the sarcoplasm. The single visible nucleus is located just beneath the sarcolemma. Each muscle fiber secretes its own external lamina, which surrounds the entire cell. 10,000x