If you file a consolidated Oregon return and have more than one affiliate doing business in Oregon or with Oregon-source income, you must complete Schedule AF and submit it with your return. Select a topic to get more tax information: 1  Corporation estimated tax.  Corporations with headquarters outside of Oregon.
All-or-none Response: Phenomenon in which a muscle fiber contracts completely when exposed to a threshold stimulus, or not at all. When a skeletal muscle is stimulated to contract by a motor neuron a minimum amount of stimulus is needed to start the process of muscle contraction.
Top 10 facts about the world. Muscle fiber is the term used to collectively describe the many long, multi-nucelated muscle cells, or myofibers, that make up skeletal muscle. Individual fibers are arranged into bundles â termed fascicles â that are then further organized into groups of fascicles, which form the muscle belly.