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DefinitionOxytocin is a powerful hormone that acts as a neurotransmitter in the brain. It regulates social interaction and sexual reproduction, playing a role in behaviors from maternal-infant bonding and milk release...
DefinitionPancreatitis? is a condition characterized by inflammation? of the pancreas?.[rx] The pancreas is a large organ behind the stomach that produces digestive enzymes and a number of hormones.[rx] There are two main types, acute? pancreatitis, and chronic? pancreatitis.[rx] Signs and...
DefinitionPanic disorder is an anxiety disorder characterized by reoccurring unexpected panic attacks. Panic attacks are sudden periods of intense fear that may include palpitations?, sweating, shaking, shortness of breath?, numbness?, or a feeling that...
DefinitionParkinson’s disease (PD) is a long-term degenerative disorder of the central nervous system that mainly affects the motor system. The symptoms generally come on slowly over time. Early in the disease,...
DefinitionParkinsonism (PD) is a long-term degenerative disorder of the central nervous system that mainly affects the motor system. The symptoms generally come on slowly over time. Early in the disease, the...
DefinitionPeptic ulcer? (stomach or duodenal) is a break in the inner lining of the esophagus?, stomach, or duodenum?. A peptic ulcer? of the stomach is called...
DefinitionPeripheral neuropathy? is a general term that indicates any disorder of the peripheral nervous system. It is a common neurological disorder, with variable presentation and numerous...
DefinitionPernicious anemia? (also known as Biermer’s disease) is an autoimmune? atrophic gastritis?, predominantly of the fundus?, and is responsible for a deficiency in vitamin B12 (cobalamin)...
DefinitionPersistent depressive disorder known as dysthymia or low-grade depression, is less severe? than major depression but more chronic?. It occurs twice as often in women as in...
DefinitionPes cavus, also known as a high arch, is a human foot type in which the sole of the foot is distinctly hollow when bearing weight. That is,...
DefinitionPiriformis syndrome? is a neuromuscular condition characterized by hip and buttock pain?. This syndrome is often overlooked in clinical? settings because its presentation may be similar to that of...
