regular muscle-prism

Noun

regular muscle-prism (plural regular muscle-prisms)

1. A simplified, geometric block representing a bundle of parallel muscle fibers; an old teaching model used for explaining tension, cross-sections, and electrical properties of muscle.
   • Taking a regularly shaped muscle in which the fibres are parallel, we will cut out a part of this by making two even cuts at right angles to the direction of the fibres. A piece of this sort may be called a regular muscle-prism. It is, according to the shape of the muscle used, either circular or...1881, Rosenthal, Isidor, chapter XI, in General Physiology of Muscles and Nerves, page 189
   • ... and a muscle of regular shape, in which the fibers are parallel, is selected. The ends are cut off by clean vertical cuts, and the resulting piece of muscle is called a regular muscle prism.1892, William Morrant Baker, Vincent Dormer Harris, chapter XI, in Hand-book of Physiology, page 460