WebApr 3, 2024 · It can occur in the brain and spinal cord. Multiple sclerosis can cause lesions to the spine, which is a part of our central nervous system (CNS). A fatty tissue called myelin protects nerve cells surrounding the nerve cells. Because of MS, the immune system attacks and damages or even destroys myelin. WebMotor neurons of the spinal cord are part of the central nervous system (CNS) and connect to muscles, glands and organs throughout the body. These neurons transmit impulses from the spinal cord to skeletal and …
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WebThe spinal cord, like the brain, has two major layers of protection. First are the vertebrae of the spine, and underneath those are three layers of tough membrane called the meninges. The meninges ... WebAt the bottom of the brainstem, the medulla is where the brain meets the spinal cord. The medulla is essential to survival. Functions of the medulla regulate many bodily activities, including heart rhythm, breathing, blood flow, and oxygen and carbon dioxide levels. Spinal tumors. Chordoma. Alzheimer's disease. Alzheimer's: Studying a New Prote… Acquired brain injury hapens when a sudden, external, physical assault damages t… If you’ve ever “gone with your gut” to make a decision or felt “butterflies in your sto… heather reynolds new jersey
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WebThe neural tube, which later develops into the brain and spinal cord, originates from this plate and continues to grow from there. b. Neural Proliferation: This stage is characterized by the expansion of the neural tube and the fast division of the cells that are found inside it, which results in a rise in the number of neurons. Web107 Bio 139 Name _____ Lab 14a The spine and spinal nerves Part 1 the spine The spinal cord serves as the relay point between the brain and the peripheral nervous system. Afferent (sensory) signals enter the spine via spinal nerves where they travel on afferent (sensory) tracts to the appropriate sensory areas of the brain and efferent (motor) signals travel … WebMar 17, 2024 · The brain is the most complex part of the human body. This three-pound organ is the seat of intelligence, interpreter of the senses, initiator of body movement, and controller of behavior. Lying in its bony shell and washed by protective fluid, the brain is the source of all the qualities that define our humanity. movies based on neal stephenson books