Multiunit Smooth Muscle
-- location -- large airways of the lungs -- arrector pili -- pupils -- large arteries
-- no gap junctions
-- act as individual cells
-- many nerve ending attachments
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seen from United States
seen from Türkiye
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Multiunit Smooth Muscle
-- location -- large airways of the lungs -- arrector pili -- pupils -- large arteries
-- no gap junctions
-- act as individual cells
-- many nerve ending attachments
Patreon | Ko-fi
Fascicle Arrangement Examples
Circular = orbicularis oris
Convergent = pectoralis major
Parallel = sartorius
Unipennate = extensor digitorum longus
Bipennate = rectus femoris
Multipennate = deltoid
Fusiform = biceps branchii
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Kinds of Muscles
-- there are three kinds of muscles -- cardiac -- smooth / visceral -- skeletal
Cardiac Muscle -- found only in the heart -- forms the wall of the heart -- contracts to circulate blood -- involuntary muscle
Smooth / Visceral Muscle -- can be called either name -- found in internal organs -- contracts to cause movement in these systems -- involuntary muscle
Skeletal Muscle -- attached to bone -- cause body movements -- voluntary muscle
Location Names for Muscles