MUSCLE TISSUE. skeletalsmoothcardiac Additional common names Striated voluntary m. Visceral muscle...

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MUSCLE TISSUE

Transcript of MUSCLE TISSUE. skeletalsmoothcardiac Additional common names Striated voluntary m. Visceral muscle...

Page 1: MUSCLE TISSUE. skeletalsmoothcardiac Additional common names Striated voluntary m. Visceral muscle m. Non-striated involuntary m. Striated involuntary.

MUSCLE TISSUE

Page 2: MUSCLE TISSUE. skeletalsmoothcardiac Additional common names Striated voluntary m. Visceral muscle m. Non-striated involuntary m. Striated involuntary.

  skeletal smooth cardiac

Additional common names Striated voluntary m.Visceral muscle m.

Non-striated involuntary m.Striated involuntary m.

Shape of Cell Long, threadlike, cylindrical Long narrow, spindle shaped, tapered ends

 Quadrangular in shape, elongated

location of nucleus  Multinucleated per cell  One nucleus per fiber  Single nucleus per fiber

presence of striations  Yes (numerous)  No  yes

location in the body Muscles attached to bone (locomotion, mastication and phonation)

 Walls of vicera (hollow internal organs – stomach, intestines, blood vessels

 Walls of the heart

voluntary/involuntary  voluntary (quick)  Involuntary (slow and long lasting) Involuntary (vigorous and rhythmic)

Other unique characteristicsMany cells are called muscle fibers,

Smooth in appearance, irregularly arranged fibres

Branched fibresUnique dark bands called intercalated disksAppear as incomplete cellsControlled by autonomic NSNumerous mitochondria

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Skeletal Muscle as seen in longitudinal section in the light microscope...

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SKELETAL Muscle Tissue

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Sliding Filament Theory

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What type of tissue? Why?

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Cardiac Muscle (longitudinal section)

• Central nuclei• Striated, branched fibers joined by intercalated disks (arrows) forms interwoven meshwork

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Cardiac Muscle (longitudinal section)

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Intercalated Discs Couple Heart Muscle Mechanically and Electrically

Page 10: MUSCLE TISSUE. skeletalsmoothcardiac Additional common names Striated voluntary m. Visceral muscle m. Non-striated involuntary m. Striated involuntary.

Smooth Muscle

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Smooth Muscle

Page 12: MUSCLE TISSUE. skeletalsmoothcardiac Additional common names Striated voluntary m. Visceral muscle m. Non-striated involuntary m. Striated involuntary.

Smooth Muscle

Page 13: MUSCLE TISSUE. skeletalsmoothcardiac Additional common names Striated voluntary m. Visceral muscle m. Non-striated involuntary m. Striated involuntary.

Smooth Muscle

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10-100mm in diameterUp to 30cm in length

10-15mm in diameter80-100mm in length

0.2-2mm in diameter20-200mm in length

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Skeletal Muscle

Cardiac Muscle

Smooth Muscle


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Non-striated Muscle I

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Muscle Structure Animal Growth and Development. Types of Muscle ► Skeletal ► Cardiac ► Smooth ► Classification Striated Non-striated Voluntary

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Muscular system. Types of the muscle Skeletal: striated, and voluntary. Skeletal: striated, and voluntary. Smooth: nonstiated, and involuntary. Smooth:

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Locomotion - Washingtonville Central School · PDF fileCardiac Muscle Heart muscle Striated ... (visceral tissue) Involuntary and is ... (non-elastic) tissue –Binds muscle to bone

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Related Learing objectives - phys.szote.u- · PDF file• Pericardium (double-walled sac): fibrous and visceral (epicardium) ... •Involuntary striated muscle found in the myocardium

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Muscle Types Skeletal: striated, voluntary Cardiac: only in heart, striated, involuntary Smooth/Visceral: walls of organs, not striated, involuntary.

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Histology of Muscle · Histology of Muscle 1. Skeletal, Striated, Voluntary Muscle: Nucleus pushed to one side of cells 2. Smooth, Unstriated, Involuntary Muscle: Nucleus in center

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