Dorsal root of spinal cord is:
Correct answer: A. Sensory
- A. Sensory
- B. Motor
- C. Mixed
- D. All (A), (B) and (C)
Explanation
The dorsal root of the spinal cord contains sensory nerves responsible for transmitting sensory information from the peripheral nervous system to the central nervous system. These nerves consist of bundles of sensory axons that enter the dorsal horn of the spinal cord, where they synapse with interneurons or ascend to higher brain centers. This pathway allows for the perception of various sensory modalities such as touch, temperature, pain, and proprioception, contributing to sensory processing and integration within the central nervous system.
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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