Reticulospinal Tract The reticulospinal tract is a motor pathway that originates from the reticular formation‚ primarily in the pons and medulla‚ and synapses in the spinal cord. In the reticular formation‚ the reticulospinal tract surfaces from the pontine caudal reticular nucleus and gigantocellular reticular nucleus. The reticulospinal tract is responsible for postural control and autonomic function like initiation of locomotion via innervation of motor neurons into the trunk and proximal limb
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needed. Stem cell research can help with spinal cord injuries. Spinal cord injuries are mostly caused by trauma‚often incurred in traffic or sporting incidents‚ often with devastating and irreversible consequences. Spinal cord injuries will be able to be treated as a result of using stem cells which can regrow the damaged spinal cord. During this process of using stem cells or spinal cord injuries scientist look to repopulate damaged areas of the spinal cord beyond the area of the injury. Many studies
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NERVOUS SYSTEM OUTLINE I. Nervous System = 2 Parts A. Central Nervous System (CNS) 1. Brain 2. Spinal Cord B. Peripheral Nervous System (PNS) 1. Nerves to parts of the body 2. Nerves from parts of the body C. Functions 1. Sensory a. receptors for stimuli (receive stimulus) b. peripheral nerves (carry impulses to CNS) c. activities monitored 1) light intensity (visual) 2) sound intensity (auditory) 3) temperature 4) oxygen concentration 5) internal fluid conditions 2. Motor a
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the brain • Hindbrain structures‚ the midbrain and other central structures of the brain combine and make up the brain stem. Structure of the Vertebrate Nervous System • The medulla: – Located just above the spinal cord and could be regarded as an enlarged extension of the spinal cord. – responsible for vital reflexes such as breathing‚ heart rate‚ vomiting‚ salivation‚ coughing and sneezing. • Cranial nerves allow the medulla to control sensations from the head‚ muscle movements in the head‚
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The nervous system is a very complex system in the body. It has many‚ many parts. The nervous system is divided into two main systems‚ the central nervous system (CNS) and the peripheral nervous system. The spinal cord and the brain make up the CNS. Its main job is to get the information from the body and send out instructions. The peripheral nervous system is made up of all of the nerves and the wiring. This system sends the messages from the brain to the rest of the body. The brain keeps the
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Transverse Myelitis Transverse myelitis is a condition that causes inflammation of the spinal cord. The inflammation affects the fatty lining that covers spinal cord nerves (myelin). It can cause scarring of nerves‚ which can interfere with nerve signals passing to and from the spinal cord. Signs and symptoms of this condition happen at the level of the spinal cord that is affected and below. The condition most often causes weakness of the arms or legs‚ pain‚ changes in feeling (sensation)‚ and
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the base of the brain‚ inferior to the spinal cord and below the cerebrum. As the brain stem ascends from the spinal cord‚ it widens and becomes more complex in its structures‚ both internally and externally. There are three major regions make up the brain stem: medulla oblongata‚ pons‚ and midbrain. The medulla is the inferior-most region of the brain stem that connects the brain to the spinal cord. It is a tube very similar structurally to the spinal cord‚ but is wider and contains several masses
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Nervous System Functions of the Nervous System 1. Detect changes and feel sensations 2. Initiate responses to changes 3. Organize and store information Divisions 1. Central Nervous System – brain and spinal cord 2. Peripheral Nervous System – cranial nerves and spinal nerves (relays info to/from the CNS) - Autonomic Nervous System Nerve Tissue – neurons (nerve fibers) and specialized cells (Schwann‚ neuroglia) 1. Neuron cell body contains the nucleus; cell bodies are in the CNS or trunk;
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Patricia Lucchese Research Paper Med. Term. Final Draft October 8‚ 2012 Chiari Malformation Chiari Malformation is a condition in which brain tissue protrudes into your spinal canal. This happens when part of your skull is small or misshaped‚ pressing on your brain and pushing it downward. Chiari Malformation is not common‚ but throughout time imaging tests have improved‚ leading to more frequent diagnosis. Chiari Malformation
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The brachial plexus is a network of spinal nerves. Spinal nerves carry information from peripheral sensory receptors to the spinal cord (of the central nervous system)‚ and then carry information back from the central nervous system to effector muscles and glands. The brachial plexus carries out these functions in the pectoral girdle and upper limbs. Specifically‚ nerves of the brachial plexus aid in innervation of the muscles of the upper limbs (with the exception of the trapezius and the levator
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