Oct 21 Class Notes

Smooth Muscle

• no striations (smooth)

• tapered at each end

• single nucleus

Function = force fluids through tubes

Location = hollow organs (stomach and intestines)

= control light entering eyes

= involuntary muscles

= sphincter muscles

= walls of arteries and veins

Smooth Muscle

• no striations (smooth)

• tapered at each end

• single nucleus

Function = force fluids through tubes

Location = hollow organs (stomach and intestines)

= control light entering eyes

= involuntary muscles

= sphincter muscles

= walls of arteries and veins

Smooth Muscle

• no striations (smooth)

• tapered at each end

• single nucleus

Function = force fluids through tubes

Location = hollow organs (stomach and intestines)

= control light entering eyes

= involuntary muscles

= sphincter muscles

= walls of arteries and veins

Smooth Muscle

• no striations (smooth)

• tapered at each end

• single nucleus

Function = force fluids through tubes

Location = hollow organs (stomach and intestines)

= control light entering eyes

= involuntary muscles

= sphincter muscles

= walls of arteries and veins

Skeletal Muscle

• fibers that are striated (have bands)

• cells are long and cylindrical

• multinucleated

Function = voluntary movements

Location = attached to bones

Cardiac Muscle

• branched and connected to each other

• cylindrical and striated

• single nucleus

Function = pump blood

Location = heart

Smooth Muscle

• no striations (smooth)

• tapered at each end

• single nucleus

Location = hollow organs (stomach and intestines)

= control light entering eyes

= involuntary muscles

= sphincter muscles

= walls of arteries and veins

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Nervous Tissue

= spinal cord

Function

• transmit information
• store information
• integrates and analyzes data

Location = brain

= nerves

Structure

Events in Tissue Repair

Tendency to Regenerate Tissue

• Replace cells
• some repair
• some scar tissue

• generally only

scar tissue

• generally only severe

damage scars