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- https://med.libretexts.org/Courses/Virginia_Tech_Carilion_School_of_Medicine/Block_V_Preparation_Materials/17%3A_Systemic_Infections/17.05%3A_Nervous_System_Infections/17.5.01%3A_Anatomy_of_the_Nervous_SystemThe human nervous system can be divided into two interacting subsystems: the peripheral nervous system (PNS) and the central nervous system (CNS). The CNS consists of the brain and spinal cord. The pe...The human nervous system can be divided into two interacting subsystems: the peripheral nervous system (PNS) and the central nervous system (CNS). The CNS consists of the brain and spinal cord. The peripheral nervous system is an extensive network of nerves connecting the CNS to the muscles and sensory structures.
- https://med.libretexts.org/Courses/Southern_Illinois_University_Edwardsville/Essentials_of_Physiology_for_Nurse_Anesthetists_I_(Gopalan)/03%3A_The_Central_Nervous_System/3.04%3A_Protective_Coverings_of_the_Brain_and_Spinal_CordThis page discusses the meninges, the protective membranes surrounding the brain and spinal cord, comprised of three layers: the dura mater, arachnoid mater, and pia mater. The dura mater is the tough...This page discusses the meninges, the protective membranes surrounding the brain and spinal cord, comprised of three layers: the dura mater, arachnoid mater, and pia mater. The dura mater is the tough outer layer, the arachnoid mater is the delicate middle layer that aids in cerebrospinal fluid circulation, and the pia mater closely adheres to the brain, providing nutrients through its blood vessels. Together, these layers provide critical protection and support for the central nervous system.
- https://med.libretexts.org/Courses/Okanagan_College/HKIN_110%3A_Human_Anatomy_I_for_Kinesiology/03%3A_The_Nervous_System/3.05%3A_Circulation_and_the_Central_Nervous_Systemhe CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain ...he CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain barrier. The function of the tissue in the CNS is crucial to the survival of the organism, so the contents of the blood cannot simply pass into the central nervous tissue.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Human_Anatomy_(Lange_et_al.)/11%3A_Central_Nervous_System/11.02%3A_Support_and_Protection_of_the_BrainThe CNS is crucial to the operation of the body and any compromise of function in the brain and spinal cord can lead to severe difficulties. The CNS is protected by the skeletal system (skull and vert...The CNS is crucial to the operation of the body and any compromise of function in the brain and spinal cord can lead to severe difficulties. The CNS is protected by the skeletal system (skull and vertebral column), and underneath by membranes of connective tissue, called meninges. In addition, the CNS has a privileged blood supply, as suggested by the blood-brain barrier. Because of this privilege, the CNS needs specialized structures for the maintenance of circulation.
- https://med.libretexts.org/Courses/Skyline_College/BIOL_250%3A_Human_Anatomy/12%3A_Anatomy_of_the_Nervous_Tissue/12.03%3A_Circulation_and_the_Central_Nervous_Systemhe CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain ...he CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain barrier. The function of the tissue in the CNS is crucial to the survival of the organism, so the contents of the blood cannot simply pass into the central nervous tissue.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Human_Anatomy_(OERI)/12%3A_Central_and_Peripheral_Nervous_System/12.06%3A_Spinal_Cord_and_Spinal_NervesThe spinal cord transmits sensory information from the periphery to the brain and motor information from the brain to the periphery. The spinal cord is divided into grey horns that house interneurons,...The spinal cord transmits sensory information from the periphery to the brain and motor information from the brain to the periphery. The spinal cord is divided into grey horns that house interneurons, autonomic neurons and somatic motor neurons as well as glial cells, and white columns that house ascending and descending tracts of axons. Spinal nerves originate from the spinal cord, carry both sensory and motor information and connect to the skin to form a map of dermatomes.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Anatomy_and_Physiology_1e_(OpenStax)/Unit_3%3A_Regulation_Integration_and_Control/13%3A_Anatomy_of_the_Nervous_Tissue/13.03%3A_Circulation_and_the_Central_Nervous_Systemhe CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain ...he CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain barrier. The function of the tissue in the CNS is crucial to the survival of the organism, so the contents of the blood cannot simply pass into the central nervous tissue.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Anatomy_and_Physiology_2e_(OpenStax)/03%3A_Regulation_Integration_and_Control/13%3A_Anatomy_of_the_Nervous_Tissue/13.04%3A_Circulation_and_the_Central_Nervous_Systemhe CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain ...he CNS is crucial to the operation of the body, and any compromise in the brain and spinal cord can lead to severe difficulties. The CNS has a privileged blood supply, as suggested by the blood-brain barrier. The function of the tissue in the CNS is crucial to the survival of the organism, so the contents of the blood cannot simply pass into the central nervous tissue.
- https://med.libretexts.org/Bookshelves/Veterinary_Medicine/Book%3A_Introductory_Animal_Physiology_(Hinic-Frlog)/8%3A_Sensory_Systems/8.1%3A_Neuronal_OrganizationThe physiological effects of this norepinephrine release include dilating the trachea and bronchi (making it easier for the animal to breathe), increasing heart rate, and moving blood from the skin to...The physiological effects of this norepinephrine release include dilating the trachea and bronchi (making it easier for the animal to breathe), increasing heart rate, and moving blood from the skin to the heart, muscles, and brain (so the animal can think and run). Unlike the autonomic nervous system, which has two synapses between the CNS and the target organ, sensory and motor neurons have only one synapse—one ending of the neuron is at the organ and the other directly contacts a CNS neuron.
- https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Human_Anatomy_(OERI)/12%3A_Central_and_Peripheral_Nervous_System/12.02%3A_Support_and_Protection_of_the_BrainThe CNS is crucial to the operation of the body and any compromise of function in the brain and spinal cord can lead to severe difficulties. The CNS is protected by the skeletal system (skull and vert...The CNS is crucial to the operation of the body and any compromise of function in the brain and spinal cord can lead to severe difficulties. The CNS is protected by the skeletal system (skull and vertebral column), and underneath by membranes of connective tissue, called meninges. In addition, the CNS has a privileged blood supply, as suggested by the blood-brain barrier. Because of this privilege, the CNS needs specialized structures for the maintenance of circulation.
