'Myosin' diaporamas de présentation

The Muscular System

6. The Muscular System. The Muscular System. Muscles are responsible for all types of body movement Three basic muscle types are found in the body Skeletal muscle Cardiac muscle Smooth muscle. Characteristics of Muscles.

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The structural basis of the cross-bridge cycle

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Sarcomeric Protein Mutations in Dilated Cardiomyopathy

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Cellular Movement

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11.2: Muscles & Movement

11.2: Muscles & Movement. Which structure is responsible for passing messages directly to effector organs?. 11.2.1 State the roles of ...in human movement. Bones Lever for movement Frame to support body Protect tissue/organs Form blood cells (marrow) Store minerals Ligaments

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Cellular Movement and Muscles

Cellular Movement and Muscles. Cellular movement. Movement is a property of all cells. Some cells (such as this amoeba) can move through their environment. All cells can move components through the cytoplasm (such as the vesicles in this amoeba). Cytoskeleton and Motor Proteins.

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Muscle Cell Function

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Ch 36 Musculoskeletal System

Ch 36 Musculoskeletal System . AP lecture. Three vertebrate muscles. Skeletal A.k.a striated Voluntary movements . Cardiac Involuntary Beating of the heart Appears striated because of myosin and actin Smaller than skeletal Cells attached by gap junctions . Smooth Involuntary

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LECTURE 3 - NONMUSCLE CELLS & CELL LOCOMOTION

LECTURE 3 - NONMUSCLE CELLS & CELL LOCOMOTION. Non-Contractile Bundles Lamellipodia Filopodia Surface Projections Non-Muscle Cells Circumferential belt Cortical attachment Stress fibers Cytokinesis Vesicle transport Cell Locomotion. Lamellipodium. Broad membrane protrusion

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PLAQUE FORMATION AND BIOCHMICAL MARKERS OF ISCHEMIA

PLAQUE FORMATION AND BIOCHMICAL MARKERS OF ISCHEMIA. Dr Azra Parveen Senior Registrar Medicine. Acute Myocardial Infarction. Acute myocardial infarction is the rapid development of myocardial necrosis caused by a critical imbalance between the oxygen supply

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The Molecular Motor Myosin

The Molecular Motor Myosin. Jonathan P. Davis, Ph.D. Assistant Professor Office/Lab Phone 247-2559 Email: davis.812@osu.edu. Department of Physiology and Cell Biology, The Ohio State University, 400 Hamilton Hall.

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Outline: The Lymn-Taylor cycle PCA method (theory & applications)

Outline: The Lymn-Taylor cycle PCA method (theory & applications) Individual involvement coefficient (theory & applications) Summary Future work. http://www.sciencemag.org/feature/data/1049155s1.mov. The Lymn-Taylor cycle. Myosin is bound to actin

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Muscle Tissue and Function

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Figures for Movsesian lectures on inotropy and vasodilatation

Figures for Movsesian lectures on inotropy and vasodilatation. Troponin I Troponin C Troponin T. Tropomyosin. Actin. Low ATPase activity. Myosin. Ca 2+. Troponin I Troponin C-Ca 2+ Troponin T. Tropomyosin. Actin. High ATPase activity and contraction. Myosin.

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Sliding Filament Theory Review

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Contraction and Excitation of Smooth Muscles Arsalan Yousuf

Contraction and Excitation of Smooth Muscles Arsalan Yousuf. BS 4 th Semester. Involuntary non-striated muscles . Much smaller than skeletal muscles.

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MyoVa & b

Head. Rho/Rac GAP. 4x IQ. N-terminal extension. Zn binding motif. Coiled- coil. PEST. MyoVa & b. Neck. 215 kDa. MyoVc. 203 kDa. Myosin V. Myosin IX. P. Myosin Va. Melanophilin. Rab27. Melanosome. Myosin V. A. B. 6 x IQ. Globular domain. Coiled-coiled. Head. 5 x IQ.

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Cellular Odd and Ends

Cellular Odd and Ends. BIO 201 Kelly Trainor, PhD. Membrane Junctions. Three types: Tight junction Desmosome Gap junction . Membrane Junctions: Tight Junctions. Impermeable junctions prevent molecules from passing through the intercellular space

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Molecular Basis of Muscle Contraction

Molecular Basis of Muscle Contraction. Mercedita Macalintal , MD, DPPS. Types of Muscles. Vertebrate Skeletal Muscle. Skeletal Muscle is also called striated muscle Sarcomere: repeating unit of muscle tissue Z lines ~ sarcomere border I band~only actin protein

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Down-regulation of Actin and Myosin mRNA in Animal Models of Acute Quadriplegic Myopathy

a. b. c. NMBA, CS, and Sepsis. CS Only. d. e. f. FIGURE 3. g. h. i. Day 1. Day 5. Day 1. Day 5. FIGURE 1. A. B. Myosin mRNA expression in the EDL, soleus, diaphragm and masseter muscles of control, denervated and neuromuscular blocked mechanically ventilated rats. FIGURE 4.

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