Ch 50 %28part 1%29%28doc%29

Ch 50 %28part 1%29%28doc%29 - Chapter 50 Slide: 1 Sensory...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 50 Slide: 1 Sensory and Motor Mechanisms Chapter 50 Slide: 2 Muscle Tissue Morphology Muscle fiber = one long muscle cell w/ >1 nucleus = a bundle of myofibrils A muscle contains many bundles of muscle fibers Refer to Figure 50.25 (Campbell 8th ed) Slide: 3 A Skeletal Muscle is an organ Comprised of: Bundles of muscle fibers (muscle tissue) + fibrous/elastic connective tissues (btwn/around muscle fibers) + blood vessels (connective/muscle/epithelial tissues) + nerves (nervous tissue) + lymph capillaries (epithelial tissue) http://www.rci.rutgers.edu/~uzwiak/AnatPhys/APFallLect12_files/image002.jpg Slide: 4 A muscle cell is a bundle of many myofibrils Myofibril morphology: Chain of repeating subunits (sarcomeres) Each sarcomere contains: Thin filaments made of actin (a protein) Anchor to Z disk (a protein) Thick filament made of myosin (a protein) Attach to thin filaments Refer to Figure 50.25 (Campbell 8th ed) Slide: 5 Alignment of Z-discs causes striations in skeletal muscles http://images-mediawiki-sites.thefullwiki.org/08/9/1/8/4862481860793207.jpg
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/08/2011 for the course BSC 2011C taught by Professor Klowden/crampton during the Fall '11 term at University of Central Florida.

Page1 / 3

Ch 50 %28part 1%29%28doc%29 - Chapter 50 Slide: 1 Sensory...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online