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Segmentation

Segmentation

Segmentation. outward. inward. Three Conformations. pre-power stroke state in smooth muscle (PDB - 1BR1). pre-power stroke state in scallop muscle (PDB - 1 QVI). Myosin-V with ADP (PDB - 1W7I). F-actin. CC= 0.64. CC= 0.58. CC= 0.53. CC= 0.41. CC= 0.42. CC= 0.42.

By manton
(99 views)

Module 632 Lecture 8 JCS

Module 632 Lecture 8 JCS

Module 632 Lecture 8 JCS. Mechanism of Muscle contraction. MODULE - 632 Lecture 8 Muscle Contraction Lecture outcomes:   At the end of this lecture a student will be aware : 1) of the major sarcomeric proteins and their molecular properties 2) of the structure of the thick filament

By zinna
(155 views)


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Myosin Contracts Skeletal Muscle

Myosin Contracts Skeletal Muscle

Myosin Contracts Skeletal Muscle . 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. Muscle.

By elam (118 views)

Smooth Muscle

Smooth Muscle

Smooth Muscle. Spindle-shaped cells 2-10  m across & ~100  m long Have a thin endomysium Organized into longitudinal and circular layers Found in walls of contractile organs (except the heart). Innervation of Smooth Muscle. Lacks neuromuscular junctions

By rock (284 views)

Smooth muscle

Smooth muscle

Smooth muscle. Smooth Muscle. A. fusiform fibers B. centrally located nucleus Few mitochondria . Z-lines are replaced by dense bodies. Sustained contraction. Single unit and multiunit smooth muscles. Smooth muscles are nonstriated and involuntary muscles.

By lucretiac (4 views)

Smooth Muscle

Smooth Muscle

Smooth Muscle. Smooth muscle surrounds the major hollow organs - including: blood vessels, bronchi, gut, uterus, bladder. Diverse Functions. Responsive to a variety of stimuli: neural input (autonomic and enteric nervous systems) broad array of hormones and drugs metabolites.

By dong (148 views)

SMOOTH MUSCLE

SMOOTH MUSCLE

SMOOTH MUSCLE. Dr. Ayisha Qureshi MBBS, MPhil Assistant Professor. Structure of smooth muscle. STRUCTURE OF SMOOTH MUSCLE. Shape of muscle fiber: - spindle shaped - 1-5 µm in diameter - 20-500 µm in length

By lazaro (488 views)

SMOOTH MUSCLE

SMOOTH MUSCLE

SMOOTH MUSCLE . Dr. Ayisha Qureshi MBBS, MPhil Assistant Professor. CLASSIFICATION OF SMOOTH MUSCLES. UNITARY/ SINGLE UNIT/SYNCYTIAL/VISCERAL Muscles of visceral organs .e.g. GIT, uterus, ureters & some of the smaller blood vessels. Form a sheet or bundles of tissue.

By cruz (190 views)

SMOOTH MUSCLE

SMOOTH MUSCLE

SMOOTH MUSCLE. Dr. Ayisha Qureshi MBBS, MPhil Assistant Professor. Structure of smooth muscle. STRUCTURE OF SMOOTH MUSCLE. Shape of muscle fiber: - spindle shaped - 1-5 µm in diameter - 20-500 µm in length

By fritza (3 views)

Smooth muscle

Smooth muscle

Smooth muscle. Lumen. Smooth muscle. Lumen. Smooth muscle. Lumen.

By masao (58 views)

Smooth Muscle

Smooth Muscle

Smooth Muscle. Prof. K. Sivapalan. Smooth Muscle. Found in the internal organs Usually 1 to 5 µ in diameter and only 20 to 500 µ in length Myosin and actin filaments cause contraction but the arrangement is different. Smooth M uscle Types.

By neila (119 views)

Smooth Muscle

Smooth Muscle

Smooth Muscle. Characteristics Not striated Dense bodies instead of Z disks as in skeletal muscle Have noncontractile intermediate filaments Ca 2+ required to initiate contractions Types Visceral or unitary Function as a unit Multiunit Cells or groups of cells act as independent units.

By ryder (213 views)