Mindblown: a blog about philosophy.
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Direct image
An image produced from radiation without secondary image receptors.
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Image detector
Any device used in radiology to receive and record energy emitted in imaging from its source. Examples of image detectors are x-ray cassettes, imaging plates, ultrasonic transducers, and flat panel detectors.
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Transmitted light illumination
Illumination in which the light is directed through the object. Light may come directly from a light source or be reflected by a mirror.
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Focal illumination
Concentration of light on an object by means of a mirror or a system of lenses.
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Dark-field Illumination
The illumination of an object under a microscope in which the central or axial light rays are stopped and the object is illuminated by light rays coming from the sides, which causes the object to appear light against a dark background. This technique is used to observe extremely small objects such as spirochetes or colloid…
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Axial Illumination
Light transmitted along the axis of a microscope.
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Illumination
The lighting up of a part for examination or of an object under a microscope.
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Heat illness
A general term used to describe the harmful effects on the human body of being exposed to high temperature and/or humidity.
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Folk illness
A disease or condition found only in specific societies, ethnic groups, or cultures. Often the culture has causal explanations for these illnesses, as well as preventive and treatment measures. Well-known examples are present in the Hispanic American culture (e.g., empacho, caida de mollera, mal de ojo, susto). These are diagnosed and treated by folk healers…
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Catabolic illness
Rapid weight loss with loss of body fat and muscle mass that frequently accompanies short-term, self-limiting conditions such as infection or injury. This condition may be associated with diabetic ketoacidosis, multiple organ system failure, and chemotherapy or radiation therapy for cancer.
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