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Muscles
Muscle Muscle can be categorized into three types based on structure, function, and location in the body. The specific details of muscle, including structure, physiology of contraction, energy requirements, muscle conditioning, and disease, can be illustrated using skeletal ... Read more |
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Foot Drop
Foot drop Definition Foot drop is a weakness of muscles that are involved in flexing the ankle and toes. As a result, the toes droop downward and impede the normal walking motion. Description The use of the term foot drop can make it seem as if the condition is rather simple and inconsequential.... Read more |
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Wryneck
Wryneck Definition Wryneck, also called twisted neck or torticollis, is a deformity in which the neck is twisted and held at an angle to one side. A congenital (present at birth) form called congenital torticollis is the most common type of wryneck seen in... Read more |
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Striated muscle
striated muscle (striped muscle, skeletal muscle, voluntary muscle) Muscle that is composed of large, elongated cells (muscle fibres), each with many nuclei, in which the cytoplasm is marked by fine lines (striations) at right angles to the long axis. The striations occur because the cytoplasm... Read more |
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muscle
muscle the contractile tissue that effects the movement of and within the body. Muscle tissue in the higher animals is classified as striated, smooth, or cardiac, according to its structure and function. Striated, or skeletal, muscle forms the bulk of the body's muscle tissue and gives the body... Read more |
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voluntary muscle
voluntary muscle (skeletal, striped, or striated muscle) Muscle that is under the control of the will and is generally attached to the skeleton. An individual muscle consists of bundles of long muscle fibres, each bounded by a sarcolemma and containing sarcoplasm, sarcoplasmic reticulum, and many... Read more |
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Eye muscle surgery
Eye muscle surgery Definition Eye muscle surgery is performed to weaken, strengthen, or reposition any of the extraocular muscles (small muscles) located on the surface of the eye that move the eyeball in all directions. Purpose The extraocular muscles attach via tendons to the... Read more |
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Sarcolemma
sarcolemma (sar-koh-lem-ă) n. the cell membrane that encloses a muscle cell (muscle fibre).... Read more |
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Hypotonia
Hypotonia Definition Hypotonia, or severely decreased muscle tone, is seen primarily in children. Low-toned muscles contract very slowly in response to a stimulus and cannot maintain a contraction for as long as a normal muscle. Hypotonia is a symptom that can be caused by... Read more |
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involuntary muscle
involuntary muscle (smooth muscle) Muscle whose activity is not under the control of the will; it is supplied by the autonomic nervous system. Involuntary muscle comprises long spindle-shaped cells without striations. These cells occur singly, in groups, or as sheets in the skin, around hair... Read more |
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Jury nullification: Jurors flex their muscles
"Jury nullification allows jurors to...tried away from their homes, friends...litigants trial by jury in any case in which...repetitive the way jury trial did -and...where there were no juries. They did ... |