'Thin filaments' diaporamas de présentation

Chapter 10

Chapter 10. Muscle Tissue Lecture Outline. INTRODUCTION. Motion results from alternating contraction (shortening) and relaxation of muscles; the skeletal system provides leverage and a supportive framework for this movement. The scientific study of muscles is known as myology.

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Musculoskeletal

Musculoskeletal. muscles. Chapter 4 SEHS. Muscle Tissue Lecture Outline. INTRODUCTION. Motion results from alternating contraction (shortening) and relaxation of muscles; the skeletal system provides leverage and a supportive framework for this movement.

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Chapter 10 Muscular Tissue

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2 pt

MONERA. PROTISTA. FUNGI. PLANTAE. ANIMALIA. 1pt. 1 pt. 1 pt. 1pt. 1 pt. 2 pt. 2 pt. 2pt. 2pt. 2 pt. 3 pt. 3 pt. 3 pt. 3 pt. 3 pt. 4 pt. 4 pt. 4pt. 4 pt. 4pt. 5pt. 5 pt. 5 pt. 5 pt. 5 pt. Bacteria have cells that lack a true nucleus. What is a Prokaryote?.

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2 pt

MONERA. PROTISTA. FUNGI. PLANTAE. ANIMALIA. 1pt. 1 pt. 1 pt. 1pt. 1 pt. 2 pt. 2 pt. 2pt. 2pt. 2 pt. 3 pt. 3 pt. 3 pt. 3 pt. 3 pt. 4 pt. 4 pt. 4pt. 4 pt. 4pt. 5pt. 5 pt. 5 pt. 5 pt. 5 pt. Bacteria have cells that lack a true nucleus. What is a Prokaryote?.

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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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Skeletal muscle structure

Skeletal muscle structure. striated long multinucleate cells extend from tendon to tendon formed by fusion of myoblasts innervated by somatic nervous system one neuromuscular junction per fiber cardiac & smooth muscle later. fig 9-1a. Skeletal muscle structure. fig 9-2.

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Kinetics of Muscle Contraction and Relaxation

Kinetics of Muscle Contraction and Relaxation. Bin Liu Ph.D. Phone: (614) 292-3925 Email: liu.591@osu.edu DHLRI 525. Department of Physiology and Cell Biology, The Ohio State University. Factors Controlling SPEED of Movement. Environmental. Whole Body.

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How muscles work

How muscles work. Skeletal Muscle Structure. Components of a Muscle Fiber. The Sarcomere. Dfdfsdfsd ssdfdf. Gfgdf bvbcv. Gfgdf bvbcv. Gfgdf bvbcv. Cvcx. Z-line. Sliding filament theory. Fig. 10-9. Overview of the process. Fig. 10-9. Overview of the process.

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Muscular System

Muscular System. Chp. 6. The Muscular System is very complex:. Figure 6.2. Muscle Function : Produce Movement or Generate Tension. Principle function - produce movement or generate tension Contraction : shorten distances between bones Skeletal muscles function to move bones

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Muscle fiber

Muscle fiber. Motor neuron. Nucleus. Sarcoplasmic reticulum (SR). Sarcolemma. Myofibrils. SR Cistern. T-tubule. Action potential reaches synaptic terminal of motor neuron. New AP generated at motor end-plate and propogated down T-tubules. Myofibrils (relaxed). Sarcomere.

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Chapter 9 Muscles and Muscle Tissue

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Kingdom Fungi

Kingdom Fungi. Phylum: Zygomycota (Sporangium Fungi) Phylum: Basidiomycota (Club Fungi) Phylum: Ascomycota (Cup Fungi & Yeasts) Phylum: Mycophycota (Lichens). Phylum: Zygomycota. Phylum: Zygomycota. Common name: Spore fungi Habitat: land/aquatic/host organisms

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Muscle III. Smooth Muscle.

Muscle III. Smooth Muscle. Smooth Muscle. Not striated. Lack sarcomeres. Found in the walls of hollow organs. Not under voluntary control. Each cells is spindle shape. Diameter 2-10 um. Single nucleus. Capacity to divide through life. Thick filament: Myosin. Thin filament: actin.

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Neuromuscular Junction

Neuromuscular Junction. Figure 9.7 (a-c). Skeletal Muscle. Figure 9.2 (a). Myofibrils. Figure 9.3 (b). Sarcomeres. Figure 9.3 (c). Myofilaments: Banding Pattern. Figure 9.3 (c, d). Ultrastructure of Myofilaments: Thick Filaments. Figure 9.4 (a)(b).

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Neuromuscular Junction

Neuromuscular Junction. Figure 9.7 (a-c). Skeletal Muscle. Figure 9.2 (a). Myofibrils. Figure 9.3 (b). Sarcomeres. Figure 9.3 (c). Myofilaments: Banding Pattern. Figure 9.3 (c, d). Ultrastructure of Myofilaments: Thick Filaments. Figure 9.4 (a)(b).

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Muscle and the Sliding filament theory

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Fouling Organisms

Fouling Organisms. Fouling Organism. Several aquatic organisms cause damages to submerged surfaces. Marine sedantary organisms may affect piles, floats,wooden dry docks and boats. These organisms are called foulers.

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Banding pattern

Banding pattern. Banding pattern seen in the electron microscope. Banding pattern seen in the polarizing microscope. Light bands: I bands (I-L I GHT).Thin filaments only Dark bands: A bands (A-D A RK).overlapping thick and thin filaments.

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