Muscle Physiology - Introduction to Muscle. BIOL 231 Lecture Outline 11. Transmembrane Potential. Transmembrane Potential – refers to the difference in electrical potential (voltage) across the membrane of a lining cell.
There are a number of factors which contribute to this difference: Differences in ion concentrations across the membrane. Sodium ions are found in a high concentration outside cells. Potassium ions are found in a high concentration inside cells. Muscle Histology Slides. MUSCLE TISSUE Lecture. Muscle tissue allows for the movements of the body and its parts.
Muscle cells are specialized for contractility and electrical conductivity. The unit of muscle tissue is the muscle fiber. MUSCLE TISSUE ppt Slides. BIOL 237 Class Notes - Muscle Cells & Muscle Physiology. Excitation-Contraction Coupling: the Neuromuscular Junction 1) Impulse arrives at the motor end plate (axon terminus) causing Ca+2 to enter the axon. 2) Ca+2 binds to ACh vesicles causing them to release the ACh (acetylcholine) into the synapse by exocytosis. 5) The sarcolemma repolarizes: b) Na+/K+ pump eventually restores resting ion distribution.
BIOL 231 Lecture Outline 10. Weight Training, Exercise Instruction & Kinesiology. Neuromuscular Junction Blocking Drugs.