Histology- Muscles 3.0 / 5 based on 1 rating ? BiologyUniversityOCR Created by: RuthCreated on: 04-02-13 12:54 What is a muscle? A tissue whose cells have the ability to contrac to produce force or movement. 1 of 8 What are the three main types of muscle? Skeletal, Smooth and Cardiac. 2 of 8 What is striated muscle? Both cardiac and skeletal muscle appear striated but it is commonly used to refer to skeletal muscle. 3 of 8 What about skeletal muscle? Muscle fibers are very long. There is no cell-cell contact. Contractile units are visible as stripes at microscopic level. 4 of 8 What about smooth muscle? Smooth muscle cells are connected by gap junctions therefore contains little connective tissue. The muscle cells are spindle shaped. 5 of 8 What is the proper name for spindle shaped? Fusiform. 6 of 8 What about cardiac muscle? Connected by intercalated discs. Can be branched. 7 of 8 What are intercalated discs? Cell adhesions made up of desmosomes and gap junctions. 8 of 8
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