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Gastrointestinal perforation is defined by a full-thickness injury to all layers of the gastrointestinal wall, resulting in a hole in the hollow GI tract (esophagus, stomach, small intestine, or large intestine). A hole can occur due to direct mechanical injury or progressive damage to the bowel wall due to various disease states.
Cognitive psychology studies cognition, the mental processes underlying behavior. [313] Largely focusing on the development of the human mind through the life span, developmental psychology seeks to understand how people come to perceive, understand, and act within the world and how these processes change as they age.
Because of your brain's connection to the stomach through the Enteric Nervous System and the stomach's involvement in digestion, stress is also a common irritant of the digestive system.
A stellar mass black hole can pull in a substantial inflow of surrounding matter, but only if the star from which it formed was already doing so. [ 10 ] The Earth's equator does not line up with the plane of the Earth's orbit , so for half of the year the Northern Hemisphere is tilted more towards the Sun and for the other half the Northern ...
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Although self-harm is by definition non-suicidal, it may still be life-threatening. [6] People who do self-harm are more likely to die by suicide, [3] [7] and self-harm is found in 40–60% of suicides. [8] Still, only a minority of those who self-harm are suicidal. [9] [10] The desire to self-harm is a common symptom of some personality disorders.
Black stomach is a condition that results from acute gastric necrosis. The tarry black colour is produced by the coagulative necrosis of mucosa resulting in intramucosal haemorrhage and acid hematin deposition. This condition was first described in a patient with acid poisoning. [1]
A photograph of a black hole at the center of galaxy M87. The black hole is outlined by emission from hot gas swirling around it under the influence of strong gravity near its event horizon.