Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4...

21
Skeletal Muscle and the Molecular Basis of Contraction Lanny Shulman, O.D., Ph.D. University of Houston College of Optometry

Transcript of Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4...

Page 1: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been

Skeletal Muscle and the

Molecular Basis of Contraction

Lanny Shulman, O.D., Ph.D.

University of Houston College of

Optometry

Page 2: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 3: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 4: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 5: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 6: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 7: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 8: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 9: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 10: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 11: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 12: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 13: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 14: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 15: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 16: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 17: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 18: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 19: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 20: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been
Page 21: Skeletal Muscle and the Molecular Basis of Contraction 1 Myofibrils 5 basal limina 2 Triad 4 Mammalian skeletal muscle. A single muscle fiber surrounded by its sarcolemma has been

Skeletal Muscle Skeletal Muscle Anatomy Figure 12-3a-2: ANATOMY SUMMARY: Skeletal Muscle.

Skeletal Muscle Skeletal Muscle Anatomy Figure 12-3a-2: ANATOMY SUMMARY: Skeletal Muscle.

FREEZE-ETCH STUDIES ON FISH SKELETAL MUSCLE · the cells myofibrils, T-tubules, the sarcotubular system and the nuclear envelope were investigated. Freeze-etch studies on muscle 539

FREEZE-ETCH STUDIES ON FISH SKELETAL MUSCLE · the cells myofibrils, T-tubules, the sarcotubular system and the nuclear envelope were investigated. Freeze-etch studies on muscle 539

Muscular system SKELETAL MUSCLE Skeletal muscle is made up of hundreds of muscle fibers –Fibers consists of threadlike myofibrils –Myofibrils composed.

Muscular system SKELETAL MUSCLE Skeletal muscle is made up of hundreds of muscle fibers –Fibers consists of threadlike myofibrils –Myofibrils composed.

skeletal-muscle 2

skeletal-muscle 2

Skeletal Muscle Tissue. Skeletal Muscle Tissue Arrangement Myofibrils – contractile elements of muscle tissue.

Skeletal Muscle Tissue. Skeletal Muscle Tissue Arrangement Myofibrils – contractile elements of muscle tissue.

TROPONIN IN EMBRYONIC CHICK SKELETAL MUSCLE CELLS IN … · 2017. 3. 23. · myofibrils was investigated by the use of immunoelectron microscopy. Embryonic chick skeletal muscle cells

TROPONIN IN EMBRYONIC CHICK SKELETAL MUSCLE CELLS IN … · 2017. 3. 23. · myofibrils was investigated by the use of immunoelectron microscopy. Embryonic chick skeletal muscle cells

SKELETAL MUSCLE NOTES

SKELETAL MUSCLE NOTES

Skeletal Muscle Lecturesuserhome.brooklyn.cuny.edu/jsiegler/Skeletal Muscle Lectures.pdf1 Skeletal Muscle Physiology Objectives 1. Structure & function of skeletal muscle 2. Training

Skeletal Muscle Lecturesuserhome.brooklyn.cuny.edu/jsiegler/Skeletal Muscle Lectures.pdf1 Skeletal Muscle Physiology Objectives 1. Structure & function of skeletal muscle 2. Training

Calcium Binding by Skeletal Muscle Sarcolemma*The sarcotubular system surrounding the myofibrils possesses a membrane bound calcium “pump” which is considered to regulate Ca2f

Calcium Binding by Skeletal Muscle Sarcolemma*The sarcotubular system surrounding the myofibrils possesses a membrane bound calcium “pump” which is considered to regulate Ca2f

Muscle fibers (cells) Myofibrils Myofilaments Actin Myosin Sliding Filament Theory of Muscle Contraction Hypertrophy = Atrophy=

Muscle fibers (cells) Myofibrils Myofilaments Actin Myosin Sliding Filament Theory of Muscle Contraction Hypertrophy = Atrophy=

Skeletal Muscle Tissue

Skeletal Muscle Tissue

skeletal myofibrils

skeletal myofibrils

Skeletal Muscles and Functions - 國立臺灣大學 · 7 Skeletal Muscle and Function •Structure of skeletal muscle Muscle contraction •Muscle coordination Functions of Skeletal

Skeletal Muscles and Functions - 國立臺灣大學 · 7 Skeletal Muscle and Function •Structure of skeletal muscle Muscle contraction •Muscle coordination Functions of Skeletal

Skeletal muscle mechanics

Skeletal muscle mechanics

SKELETAL MUSCLE modified

SKELETAL MUSCLE modified

Skeletal Muscle Mechanicsuserhome.brooklyn.cuny.edu/jsiegler/Lecture 9...Skeletal Muscle Mechanics Muscle fibers into whole muscle Whole muscle tension: • Number of muscle fibers

Skeletal Muscle Mechanicsuserhome.brooklyn.cuny.edu/jsiegler/Lecture 9...Skeletal Muscle Mechanics Muscle fibers into whole muscle Whole muscle tension: • Number of muscle fibers

Skeletal Muscle- Excitation

Skeletal Muscle- Excitation

Growth & Development of Skeletal Muscle. Skeletal, Striated, Voluntary Muscle.

Growth & Development of Skeletal Muscle. Skeletal, Striated, Voluntary Muscle.

Skeletal Muscle - Saint Louis Universitystarklab.slu.edu/PhysioLab/SkeletalMuscle.pdf(a) Skeletal muscle Nucleus Muscle fiber (cell) Striations (b) Cardiac muscle Striations Muscle

Skeletal Muscle - Saint Louis Universitystarklab.slu.edu/PhysioLab/SkeletalMuscle.pdf(a) Skeletal muscle Nucleus Muscle fiber (cell) Striations (b) Cardiac muscle Striations Muscle

Muscle Anatomy 2014. Skeletal Muscle Cardiac Muscle Smooth Muscle.

Muscle Anatomy 2014. Skeletal Muscle Cardiac Muscle Smooth Muscle.