Skeletal muscle
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x
Nucleus
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x
Myofibrils
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x
Mitochondria
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x
Sarcolemma
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x
Endomysium
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x
Capillary lumen
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x
Area shown in next image
A cross section of a portion of a skeletal muscle fiber lies adjacent to a capillary. Note the large numbers of mitochondria, as well as myofibrils composed of myofilaments. Nuclei are located around the periphery of the fiber just beneath the sarcolemma. 12,000x