Final answer:
The sensory impulses from receptors in muscle or skin to the CNS are conducted by General somatic afferent fibers. These fibers transmit sensory information, allowing us to perceive and interact with our environment.
Step-by-step explanation:
General somatic afferent fibers are responsible for transmitting sensory information from the skin and muscles to the central nervous system (CNS). These fibers carry sensory impulses to the CNS from receptors in the muscle or skin. When these receptors detect changes, such as touch, temperature, or pain, they send signals along the afferent fibers to be processed by the CNS. Unlike efferent fibers, which convey signals from the CNS to muscles and glands, afferent fibers relay information towards the CNS. This allows for sensory information to be integrated and interpreted, which can result in conscious perception or the initiation of reflex actions, such as pulling away from a hot object.
Somatic senses, like touch and proprioception, are critical for our conscious perception of how the body interacts with the environment, and they rely on the function of general somatic afferent fibers. These should not be confused with visceral senses, which generally relate to internal organ functions and transmit information through general visceral afferent fibers. It's also important to distinguish between somatic and visceral reflexes, with somatic involving a direct pathway to skeletal muscles and visceral typically involving a more complex pathway with ganglions as intermediaries.