Definition. noun, plural: muscle tissues. An animal tissue capable of contracting, and therefore enables movement or tension in the body. Supplement. The animal body is comprised of different tissues.There are four fundamental types of animal tissues: muscle tissues, epithelial tissues, connective tissues, and nervous tissues. The muscle tissue is the animal tissue capable of contraction and is associated with the various movements or locomotion in animals.efinition. noun, plural: muscle tissues. An animal tissue capable of contracting, and therefore enables movement or tension in the body. Supplement. The animal body is comprised of different tissues.