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NERVOUS SYSTEM
The nervous system comprises CNS and PNS, the latter including: 1) Motor neurons (skeletal muscle control); 2) Autonomic nerves (sympathetic/parasympathetic regulation); 3) Sensory neurons. Autonomic dysfunction causes 200+ clinical conditions like arrhythmia, while motor neuron damage drives ALS, making these mechanisms key to neurodegenerative disease research.
Edited at 2024-10-26 02:19:12
- Nervous system
The nervous system includes motor neurons, autonomic nerves, and somatic nerves. Motor neurons transmit signals from the brain and spinal cord to muscles, controlling body movements such as muscle contraction and posture maintenance. Autonomic nerves regulate the functions of internal organs, blood vessels, and smooth muscles, with the sympathetic and parasympathetic nervous systems maintaining a balance to stabilize the internal environment. Somatic nerves are responsible for transmitting skin sensations and skeletal muscle movements, enabling the body to perceive external stimuli and respond accordingly.
- NERVOUS SYSTEM
The nervous system comprises CNS and PNS, the latter including: 1) Motor neurons (skeletal muscle control); 2) Autonomic nerves (sympathetic/parasympathetic regulation); 3) Sensory neurons. Autonomic dysfunction causes 200+ clinical conditions like arrhythmia, while motor neuron damage drives ALS, making these mechanisms key to neurodegenerative disease research.
NERVOUS SYSTEM
- Nervous system
The nervous system includes motor neurons, autonomic nerves, and somatic nerves. Motor neurons transmit signals from the brain and spinal cord to muscles, controlling body movements such as muscle contraction and posture maintenance. Autonomic nerves regulate the functions of internal organs, blood vessels, and smooth muscles, with the sympathetic and parasympathetic nervous systems maintaining a balance to stabilize the internal environment. Somatic nerves are responsible for transmitting skin sensations and skeletal muscle movements, enabling the body to perceive external stimuli and respond accordingly.
- NERVOUS SYSTEM
The nervous system comprises CNS and PNS, the latter including: 1) Motor neurons (skeletal muscle control); 2) Autonomic nerves (sympathetic/parasympathetic regulation); 3) Sensory neurons. Autonomic dysfunction causes 200+ clinical conditions like arrhythmia, while motor neuron damage drives ALS, making these mechanisms key to neurodegenerative disease research.
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