Across
- 4. fiber Long slender skeletal muscle cells.
- 5. Think filament of protein found in skeleton muscle cells.
- 6. Having alternating light and dark bands under the microscope.
- 8. Any of several muscles having three points of attachment at one end.
- 11. terminal Neurotransmitters are released from axon terminal.
- 12. Neurotransmitter that produces an impulse in a muscle cell.
- 13. During a muscle contraction, myosi filaments form cross bridges with actin filaments.
Down
- 1. junction The point of contact between a motor neuron and a skeletal muscle cell.
- 2. Tightly packed filament bundles found within skeletal muscle fibers.
- 3. Any of several muscles having two points of attachment at one end.
- 7. Thin filament of protein found in muscles.
- 9. Unit of muscle contraction; composed of two Z lines and the filaments between them.
- 10. Tough connective tissue that connects skeletal muscles to bones.