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Nerves
...  are a collection of nerve fibres in the central nervous system. Nerves are an enclosed bundle of peripheral axons. They are cable-like in appearance and they provide the pathway for nerve impulses that are transmitted along the axons. Nerves are found in the peripheral nervous system. All nerves have a cordlike structure and contain many axons. Each of these axons are surrounded the  ...

Spinal Nerves
...  Gross Anatomy When you analyze the anatomy of the spinal nerves, they come from the combination of the dorsal and ventral roots of the spinal cord. The dorsal roots represent the afferent sensory axons, which receives information; whereas the ventral roots represent the efferent sensory axon that will carry out the appropriate response. Most of the spinal nerves arise from the spaces in  ...

Axon
...  of the spinal cord or brain to another portion. It is an elongated structure extending from the neuron. Without the axon, the neurons will not be able to perform their physiologic functions. These axons come in two types; the axons that render action potentials towards the central nervous system or CNS, and those that conduct them away from the central nervous system. These are some  ...

Parasympathetic Division
...  replenish itself and be ready for any sympathetic action that may ensue during perceived threats or emergencies. Process It cannot function properly, though, without these essential related parts. axons are found in preganglionic neurons to form a connection between spinal and cranial nerves, all the way to the terminal ganglia. The preganglions are cell bodies located in the oculomotor nerve,  ...

Cerebrum
...  body. These movements come from the primary motor cortex and the frontal lobe motor area of the brain, where these functions are planned. The upper motor neurons of the primary motor cortex transmit axons to the brain stem and the spinal cord which, in turn, synapses with the lower motor neurons. The cerebrum is also responsible for sensory processing. The cerebral cortex in the cerebrum is  ...

Pituitary Hormones
...  and the dopamine which is the secretion-inhibitor.) Oxytocin is also produced by the hypothalamus. Coming from the specialized cells of the hypothalamus, oxytocin travels by way of the axons of the infundibulum, reaching the lobus nervosa. The lobus nervosa houses the hormone and releases it when the hypothalamus calls for it. Oxytocin (if released) journeys to the female  ...


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