Brain And Nervous System
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The brain is considered the control center of the body with the nervous system acting as the highway, delivering messages from the brain to different parts of the body. These vital systems of the body are being performed even when the body and other bodily systems are in a resting state.
A brain tumor is an abnormal growth of tissue in the brain. The tumor can either originate in the brain itself, or come from another part of the body and travel to the brain (metastasize). Brain tumors may be classified as either benign (non-cancerous) or malignant (cancerous) depending on their behavior.
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The brain is considered the control center of the body with the nervous system acting as the highway, delivering messages from the brain to different parts of the body. These vital systems of the body are being performed even when ...
Sympathetic and parasympathetic divisions typically function in opposition to each other. But this opposition is better understood as complementary in nature rather than antagonistic. For an analogy, one may think of the sympathetic division as the accelerator and the parasympathetic ...
The afferent parasympathetic sensations are mostly unconscious visceral motor reflex sensations from hollow organs and glands that are transmitted to the CNS. While the unconscious reflex arcs normally are undetectable, in certain instances they may send pain sensations to the ...
parasympathetic nervous system (PSNS) is one of the three main divisions of the autonomic nervous system (ANS). The ANS is responsible for regulation of internal organs and glands, which occurs unconsciously. The parasympathetic system specifically is responsible for stimulation of ...
The oculomotor nerve is responsible for several parasympathetic functions related to the eye. The oculomotor PNS fibers originate in the Edinger-Westphal nucleus in the CNS and travel through the superior orbital fissure to synapse in the ciliary ganglion located just ...
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