Author: Glossary
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Cardinal movement of labor
Changes in the position of the fetal head as it descends through the birth canal and exits the mother’s body. The cardinal movements are: engagement, descent, flexion, internal rotation, extension, external rotation and expulsion.
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Bodily movement
Movement of a tooth by natural or orthodontic forces so that the crown and root maintain their same vertical axis.
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Autonomic movement
Spontaneous, involuntary movement independent of external stimulation.
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Associated movement
Synchronous correlation of two or more muscles or muscle groups that, although not essential for the performance of some function, normally accompany it, as the swinging of arms in normal walking. Associated movements are characteristically lost in cerebellar disease.
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Angular movement
The change in the joint position between long bones. Flexion, extension, abduction, and adduction are examples of angular movement.
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Movat’s pentachrome stain
A stain used to highlight body structures, such as blood vessels, that contain collagen, elastic fibers, fibrin, muscle, and cell nuclei.
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Mouthstick
Assistive technology device consisting of a stick attached to a molded dental mouthpiece that permits page turning and other tasks by means of head movement.
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Nude mouse
A mutant mouse, completely devoid of hair and lacking T lymphocytes, bred for use in immunological investigations.
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New Zealand black mouse
A mouse bred for the genetic trait of spontaneously developing autoimmune hemolytic anemia.
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Chronic mountain sickness
The slow onset of symptoms in persons who reside at high altitude for several years. Included are apathy, fatigue, and headache. Laboratory studies often reveal hypoxia and polycythemia. Persons between ages 40 and 60 are most likely to be affected. The symptoms subside when the person returns to sea level.