Muscle System Vocabulary Flashcards

Front

Actin

Back

Thin filaments composed of these contractile proteins

Front

Action Potential

Back

Generate electrical current from "upset" ion balance

Front

Aponeurosis

Back

Sheetlike tissue that attaches muscle indirectly to bones

Front

Duchenne's Muscular Dystrophy

Back

Inherited muscle-destroying disease for males

Front

Contractility

Back

Muscle cell ability to shorten when stimulated

Front

Endomysium

Back

Each muscle fiber is enclosed in a delicate connective tissue sheath

Front

Epimysium

Back

Many fascicles are bound together by an even tougher "overcoat" of connective tissue

Front

Fascicle

Back

Bundle of muscle fibers

Front

Fused Twitch

Back

Successive contractions are "summed" together

Front

Irritability

Back

Muscle cell ability to receive and respond to a stimulus