The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy...

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The Muscular The Muscular System System

Transcript of The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy...

Page 1: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

The Muscular The Muscular SystemSystem

Page 2: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

bundle of muscle fibers

muscle fiber(cell)

myofibril

sarcomere

Gross Anatomy of Skeletal Muscle

Page 3: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Connective Tissue Sheaths Connective Tissue Sheaths

–Endomysium–Perimysium–Epimysium

Collagen fibers of all 3 layers come together at each end of muscle to form a tendon or aponeurosis.

Page 4: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Basic Basic FeaturesFeatures

Nerve & blood supply

Attachments– Origin

– Insertion

Page 5: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Muscle Fiber AnatomyMuscle Fiber Anatomy

Sarcolemma • Sarcoplasm • Myoglobin• Transverse tubules (T-tubules)

Myofibrils • Myofilaments

– Two types 1.Actin filaments (thin filaments)2.Myosin filaments (thick filaments)

Page 6: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Myofibril

Page 7: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

SarcomeSarcomerere A band

Page 8: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

SarcomeSarcomerere I bands

Page 9: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Z lines

SarcomeSarcomerere

Page 10: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Actin and Myosin FilamentsActin and Myosin Filaments

myosinactin

Page 11: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Myosin (Thick) FilamentMyosin (Thick) Filament

Page 12: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

Actin (Thin) FilamentActin (Thin) Filament

Page 13: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

axon

plasma membrane

myofibrils

sarcomere

Page 14: The Muscular System. bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle.

T tubules

sarcoplasmic reticulum


Changes in sarcomere lengths of the human vastus lateralis ...Changes in sarcomere lengths of the human vastus lateralis muscle with knee flexion measured using in vivo microendoscopy

Changes in sarcomere lengths of the human vastus lateralis ...Changes in sarcomere lengths of the human vastus lateralis muscle with knee flexion measured using in vivo microendoscopy

Muscle Physiology Dynamics of Muscle Contraction · Thick and Thin Filaments A. Muscle movement (=contraction) occurs at the microscopic level (the sarcomere). B. Sliding Filament

Muscle Physiology Dynamics of Muscle Contraction · Thick and Thin Filaments A. Muscle movement (=contraction) occurs at the microscopic level (the sarcomere). B. Sliding Filament

Muscle Tissue 2 Muscle Contrations. The Sliding Filament Theory The thin filaments (actin) slide over the thick causing the sarcomere to shorten. This.

Muscle Tissue 2 Muscle Contrations. The Sliding Filament Theory The thin filaments (actin) slide over the thick causing the sarcomere to shorten. This.

Prox1 maintains muscle structure and growth in the ... · of cardiac muscle during development and highlight how transcriptional misregulation of myofibril assembly may underlie cardiac

Prox1 maintains muscle structure and growth in the ... · of cardiac muscle during development and highlight how transcriptional misregulation of myofibril assembly may underlie cardiac

Biology - PapaCambridge · skeletal muscle and not smooth muscle [2] (b) The graph below shows the length of a sarcomere during muscle contraction. 0 1 Length of sarcomere/µm 2 3

Biology - PapaCambridge · skeletal muscle and not smooth muscle [2] (b) The graph below shows the length of a sarcomere during muscle contraction. 0 1 Length of sarcomere/µm 2 3

PRESENTATION DO’S AND Muscle contains proteins of many sizes ProteinkDaFunction titin3000center myosin in sarcomere dystrophin400anchoring to plasma.

PRESENTATION DO’S AND Muscle contains proteins of many sizes ProteinkDaFunction titin3000center myosin in sarcomere dystrophin400anchoring to plasma.

Assistant Professor of Medical Biochemistry€¦ · Biochemistry . Myofibril . Muscle Proteins . Myosin-thick filament structure . Role of ATP in contraction & relaxation . Role of

Assistant Professor of Medical Biochemistry€¦ · Biochemistry . Myofibril . Muscle Proteins . Myosin-thick filament structure . Role of ATP in contraction & relaxation . Role of

Label the diagram of the skeletal muscle with the … · Web viewLabel the diagram of the skeletal muscle with the following terms: muscle fiber myofibril epimysium perimysium endomysium

Label the diagram of the skeletal muscle with the … · Web viewLabel the diagram of the skeletal muscle with the following terms: muscle fiber myofibril epimysium perimysium endomysium

Determination of static and dynamic properties of muscle ...cg133bt2261/... · the sarcomeres, the sarcomere length, in the column. Based on the sarcomere results recorded across

Determination of static and dynamic properties of muscle ...cg133bt2261/... · the sarcomeres, the sarcomere length, in the column. Based on the sarcomere results recorded across

What I would like to learn: What I know: Regardingibruce/courses/EE3BB3_2011/EE3BB… · Muscle contraction fibers (slow twitch, fast twitch) Myofibril structure (A band, sarcomere,

What I would like to learn: What I know: Regardingibruce/courses/EE3BB3_2011/EE3BB… · Muscle contraction fibers (slow twitch, fast twitch) Myofibril structure (A band, sarcomere,

Physiology Skeletal Muscle Contraction. Connective Tissue Endomysium ◦ Surrounds each muscle fiber (cell) ◦ Attaches to Z-lines in each sarcomere Perimysium.

Physiology Skeletal Muscle Contraction. Connective Tissue Endomysium ◦ Surrounds each muscle fiber (cell) ◦ Attaches to Z-lines in each sarcomere Perimysium.

Warm-Up 1.Based on what you know about Latin root words, what do you think these terms refer to? Sarcomere Sarcoplasm Myofibril Epimysium Perimysium.

Warm-Up 1.Based on what you know about Latin root words, what do you think these terms refer to? Sarcomere Sarcoplasm Myofibril Epimysium Perimysium.

Notes: Skeletal Muscle Anatomy. (1) Levels of Organization Muscle (whole organ) Fascicle (portion of muscle) Muscle Fiber (single muscle cell) Myofibril.

Notes: Skeletal Muscle Anatomy. (1) Levels of Organization Muscle (whole organ) Fascicle (portion of muscle) Muscle Fiber (single muscle cell) Myofibril.

Cardiac Muscle and Heart Function Cardiac muscle fibers are striated – sarcomere is the functional unit Fibers are branched; connect to one another at.

Cardiac Muscle and Heart Function Cardiac muscle fibers are striated – sarcomere is the functional unit Fibers are branched; connect to one another at.

11.1 – Structure of Skeletal Muscle. Learning Objectives Learn the gross and microscopic structure of skeletal muscle. Learn the ultrastructure of a myofibril.

11.1 – Structure of Skeletal Muscle. Learning Objectives Learn the gross and microscopic structure of skeletal muscle. Learn the ultrastructure of a myofibril.

Rate force generationin muscle: Correlationwithactomyosin ... › content › pnas › 83 › 10 › 3542.full.pdf · Servosystem-Controlled Sarcomere Length. Tocontrol the average

Rate force generationin muscle: Correlationwithactomyosin ... › content › pnas › 83 › 10 › 3542.full.pdf · Servosystem-Controlled Sarcomere Length. Tocontrol the average

Psoas Muscle Architectural Design, In Vivo Sarcomere ...muscle.ucsd.edu/More_HTML/papers/pdf/Regev_Spine_2011.pdfPsoas Muscle Architectural Design, In Vivo Sarcomere Length Range,

Psoas Muscle Architectural Design, In Vivo Sarcomere ...muscle.ucsd.edu/More_HTML/papers/pdf/Regev_Spine_2011.pdfPsoas Muscle Architectural Design, In Vivo Sarcomere Length Range,

Muscleblind, BSF and TBPH are mislocalized in the muscle ...of the muscle structural unit, the sarcomere, where thick and thin filaments were less ordered and densely packed than in

Muscleblind, BSF and TBPH are mislocalized in the muscle ...of the muscle structural unit, the sarcomere, where thick and thin filaments were less ordered and densely packed than in

Chapter 7 — The Muscular System $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Muscle Tissue & Sarcomere Organization Muscle Contraction Muscle.

Chapter 7 — The Muscular System $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Muscle Tissue & Sarcomere Organization Muscle Contraction Muscle.

Ribonucleoprotein of Skeletal Muscle Myofibril · 2019. 5. 4. · ribonucleoprotein extracted from the myofibril and its relation to the distribution ofribonucleic acid in themusclecell.

Ribonucleoprotein of Skeletal Muscle Myofibril · 2019. 5. 4. · ribonucleoprotein extracted from the myofibril and its relation to the distribution ofribonucleic acid in themusclecell.