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Nervous may refer to: Nervousness; Nervous system, a network of cells in an animal's body that coordinates movement and the senses Nervous tissue, the cells of the ...
Paroxysmal sympathetic hyperactivity (PSH) is a syndrome that causes episodes of increased activity of the sympathetic nervous system.Hyperactivity of the sympathetic nervous system can manifest as increased heart rate, increased respiration, increased blood pressure, diaphoresis, and hyperthermia. [1]
The peripheral nervous system (PNS) is a collective term for the nervous system structures that do not lie within the CNS. [17] The large majority of the axon bundles called nerves are considered to belong to the PNS, even when the cell bodies of the neurons to which they belong reside within the brain or spinal cord.
Central nervous system – (CNS), is the part of the nervous system consisting of the brain and spinal cord. Cephalic vein – is a superficial vein in the arm. It communicates with the basilic vein via the median cubital vein at the elbow and is located in the superficial fascia along the anterolateral surface of the biceps brachii muscle .
The sympathetic nervous system innervates various immunological structures, such as bone marrow and the spleen, allowing for it to regulate immune function. The adrenergic substances released by the sympathetic nervous system can also bind to and influence various immunological cells, further providing a connection between the systems.
During a panic attack, the body's stress response is triggered which can cause the small vessels of the heart to tighten, leading to chest pain. The body's nervous system and rapid breathing during a panic attack can cause spasming of the arteries of the heart (also known as vasospasm). This can reduce blood flow to the heart, causing damage to ...
The nervous system is divided by neurologists into two parts: the central nervous system (which consists of the brain and spinal cord) and the peripheral nervous system (which consists of cranial and spinal nerves along with their associated ganglia). While the peripheral nervous system has an intrinsic ability for repair and regeneration, the ...
The highly reproducible results revealed that conditioned rats exposed to the conditioned stimulus were indeed immunosuppressed. In other words, a signal via the nervous system (taste) was affecting immune function. This was one of the first scientific experiments that demonstrated that the nervous system can affect the immune system.