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where receptors synapse with sensory neurons, the receptor releases an
excitatory neurotransmitter, causing the sensory neuron to transmit action potent'
als to the CNS. (An exception is ir the vertebrate visual system, discussed in
Many sensory neurons spontaneously generate action potent'a s at a ow rate.
Therefore, a st'rnulus does not switch t'ne production of action potentials on or off
ir these neurons; rather, it rnod..lates action potent'al frequency [see Figure 49.2b
When the muscle is stretched, the spindle fibers are stretched, depoar'zing
sensory neurons and triggering action potentials that are trahsmitted to the spinal
cord. \/luscle spindles and the sensory he.|rons that innervate them are part of
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LibraryThing ReviewUser Review - kaionvin - LibraryThing
I wasn't going to review Biology by Neil A. Campbell, because well... 1. It's ubiquitous. 2. I studied from the sixth edition in high school for Biology AP and the eighth edition for first-year ... Read full review
LibraryThing ReviewUser Review - Pinniped23 - LibraryThing
This is a fabulous book. It also came with access to a free digital copy of the book, which was very handy. Read full review