A microscopic view of a muscle showing, at one end, the fibrillae; and at the other, the disk, or cells of the fiber.

Microscopic View of a Muscle

A microscopic view of a muscle showing, at one end, the fibrillae; and at the other, the disk, or cells…

"1, longitudinal section; 2, 3, 4, cross section; 5, detached disk; 7, 8, fibrillae." — Richardson, 1906

Striped Muscle

"1, longitudinal section; 2, 3, 4, cross section; 5, detached disk; 7, 8, fibrillae." — Richardson,…