Contractile Proteins in Muscle and Non-muscle Cell Systems

Contractile Proteins in Muscle and Non-muscle Cell Systems PDF Author: Emanuele E. Alia
Publisher: Greenwood
ISBN:
Category : Science
Languages : en
Pages : 760

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Contractile Proteins in Muscle and Non-muscle Cell Systems

Contractile Proteins in Muscle and Non-muscle Cell Systems PDF Author: Emanuele E. Alia
Publisher: Greenwood
ISBN:
Category : Science
Languages : en
Pages : 760

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Contractile Proteins and Muscle

Contractile Proteins and Muscle PDF Author: Koloman Laki
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 628

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Muscle Contraction and Cell Motility

Muscle Contraction and Cell Motility PDF Author: H. Sugi
Publisher: Springer Science & Business Media
ISBN: 3642769276
Category : Science
Languages : en
Pages : 276

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Book Description
This volume intends to provide a comprehensive overview on the mecha nisms of muscle contraction and non-muscle cell motility at the molecu lar and cellular level, not only for investigators in these fields but also for general readers interested in these topics. A most attractive feature of various living organisms in the animal and plant kingdoms is their ability to move. In spite of a great diversity in the structure and function of various motile systems, it has frequently been assumed since the nineteenth century that all kinds of "motility" are essentially the same. Based on this assumption, some investigators in the nineteenth century thought that the mechanisms of motility could better be studied on primitive non-muscle motile systems such as amoeboid movement, rath er than on highly specialized muscle cells. Contrary to their expectation, however, the basic mechanisms of motility have been revealed solely by investigations on vertebrate skeletal muscles, since a monumental discovery of Szent-Gyorgyi and his coworkers in the early 1940s that muscle contraction results from the interaction between two different contractile proteins, actin and myosin, coupled with ATP hydrolysis.

Designing Foods

Designing Foods PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309037956
Category : Medical
Languages : en
Pages : 384

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Book Description
This lively book examines recent trends in animal product consumption and diet; reviews industry efforts, policies, and programs aimed at improving the nutritional attributes of animal products; and offers suggestions for further research. In addition, the volume reviews dietary and health recommendations from major health organizations and notes specific target levels for nutrients.

Molecular Biology of The Cell

Molecular Biology of The Cell PDF Author: Bruce Alberts
Publisher:
ISBN: 9780815332183
Category : Cytology
Languages : en
Pages : 0

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The Comparative Structure and Function of Muscle

The Comparative Structure and Function of Muscle PDF Author: Henry Huddart
Publisher: Elsevier
ISBN: 1483280454
Category : Science
Languages : en
Pages : 407

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Book Description
The Comparative Structure and Function of Muscle is based upon a series of lectures given at the University of Lancaster over the last seven years, and it follows a natural division into structure, electrophysiology and excitation and mechanical activity. Within each section, an attempt is made to cover all muscle types in as wide a range of animals as the literature will allow. This book comprises 10 chapters, with the first one focusing on the fine structure of skeletal muscle. The following chapters then discuss the fine structure of cardiac and visceral muscle; the innervation of muscle; the ionic basis of the resting potential; the action potential and the activation of muscle; electrical activity and electrochemistry of invertebrate skeletal muscle; electrical activity of invertebrate and vertebrate cardiac muscle; the electrical activity and electrochemistry of visceral muscle; the mechanics of muscle; and excitation-contraction coupling and relaxation. This book will be of interest to practitioners in the fields of anatomy and the health sciences.

Anatomy & Physiology

Anatomy & Physiology PDF Author: Lindsay Biga
Publisher:
ISBN: 9781955101158
Category :
Languages : en
Pages :

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A version of the OpenStax text

Skeletal Muscle & Muscular Dystrophy

Skeletal Muscle & Muscular Dystrophy PDF Author: Donald Fischman
Publisher: Biota Publishing
ISBN: 1615040048
Category : Science
Languages : en
Pages : 68

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Book Description
Histologically, muscle is conveniently divided into two groups, striated and nonstriated, based on whether the cells exhibit cross-striations in the light microscope (Figure 3). Smooth muscle is involuntary: its contraction is controlled by the autonomic nervous system. Striated muscle includes both cardiac (involuntary) and skeletal (voluntary). The former is innervated by visceral efferent fibers of the autonomic nervous system, whereas the latter is innervated by somatic efferent fibers, most of which have their cell bodies in the ventral, motor horn of the spinal cord. Smooth muscle is designed to have slow, relatively sustained contractions, while striated muscle contracts rapidly and usually phasically. Both cardiac and smooth muscle cells are mononucleated, whereas skeletal muscle cells (fibers) are multinucleated. [In aging hearts or hypertrophied hearts, cardiac muscle cells are often binucleated.] Multinucleation of skeletal muscle arises during development by the cytoplasmic fusion of muscle precursor cells, myoblasts. Adult skeletal muscle cells do not divide; that is also true of most cardiac myocytes. However, skeletal muscle exhibits a considerable amount of regeneration after injury. This is because adult skeletal muscle contains a stem cell, the satellite cell, which lies beneath the basement membrane surrounding the muscle fibers. [The multinucleation of cardiac muscle arises from karyokinesis without cytokinesis.] A diagrammatic series of enlargements of skeletal muscle are shown in Figure 4. A bundle of muscle fibers (fasciculus) is cut from the deltoid muscle. Each muscle cell is termed a myofiber or muscle fiber. Each muscle fiber contains contractile organelles termed myofibrils, which contain the contractile units of muscle termed sarcomeres. The sarcomeres are composed of myofilaments, which in turn are composed of contractile proteins. Muscle connective tissue layers are organized in concentric layers that are important in the entry and exit of vessels and nerves to and from the tissue. These are shown in Figure 5. The outermost layer is the epimysium or muscle sheath. Connective tissue septae (perimysium) run radially into the muscle tissue, dividing it into muscle fascicles. The deepest layer, surrounding each of the muscle fibers is the endomysium. The endomysium is in direct contact with a basal lamina that ensheathes each muscle fiber. It surrounds the plasma membrane of the muscle fiber termed the sarcolemma.

Anatomy and Physiology

Anatomy and Physiology PDF Author: J. Gordon Betts
Publisher:
ISBN: 9781947172807
Category :
Languages : en
Pages : 0

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Contractile Systems in Non-muscle Tissues

Contractile Systems in Non-muscle Tissues PDF Author: S. V. Perry
Publisher: North-Holland
ISBN:
Category : Science
Languages : en
Pages : 384

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