For example, sensory cells in the skin respond to ... a sequence of molecular switches to internal signaling pathways. Membrane receptors fall into three major classes: G-protein-coupled receptors ...

"This means that when the proteins are released, they are carried to the trigeminal ganglion via the said signaling pathways, where they bind to a receptor of a pain-signaling sensory nerve ...

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The somatosensory system consists of the peripheral receptors and neural pathways through which the nervous system detects and processes information about touch (mechanoception), pain (nociception ...

This is why the response is so fast. Receptor in the skin detects a stimulus (the change in temperature). Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal ...