Lecture Notes Ch 10 Muscle 1_2 per Page.pdf - Muscle Tissue...

  • No School
  • AA 1
  • amorris9
  • 19

This preview shows page 1 - 5 out of 19 pages.

5/21/19 1 Muscle Tissue Mechanics Physiology Muscle Tissue Types: cardiac, smooth, skeletal… 6 functions of skeletal muscle skeletal movement maintain position/posture support soft tissue guard openings help maintain body temperature store nutrient reserve
Image of page 1
5/21/19 2 Organization of Skeletal Muscle Epimysium Perimysium Fascicle Endomysium Fiber Skeletal Muscle Blood supply Extensive due to high metabolism – FYI 1200 ml/min rest – FYI 4500 - 12,500 ml/min during activity Nerve supply to muscle from central nervous system mostly consciously controlled voluntary muscle
Image of page 2
5/21/19 3 Features of Skeletal muscle cells • multinucleate cells cells called fibers arrangement of internal proteins results in striations Fiber details Sarcolemma… conducts signal for contraction Packed full of myofibrils Thin filam ents Thick filam ents Transverse (T) tubules Filled with ECF conduct signal deep sarcoplasm glycogen storage m yoglobin low [Ca +2 ] m itochondria
Image of page 3
5/21/19 4 Fiber details sarcoplasmic reticulum (SR) Ca +2 ion storage calsequestrin
Image of page 4
Image of page 5

You've reached the end of your free preview.

Want to read all 19 pages?

  • Fall '19
  • ith E C F

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes