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Practice Listening: Fill in the Blanks (Type In)
ID: #4013
Medium
Temperature
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Ever wonder how you can feel a tiny change in the temperature, maybe only a degree? Feeling heat involves four types of ion channels. These are little pores on the surface of cells, made of proteins. They open and close, regulating the flow of charged particles, creating differences - it all works out to make you feel warmth. But researchers couldn’t understand how we can recognize tiny temperature changes with only four sensors. Now, new research just in the journal of General Physiology has shed some light on the heat. Scientists at UC Davis found that pieces of the four heat-related ion channels can to effectively form additional temporary channels. Possibly hundreds of them. The work was done in cell cultures, so it needs to be in actual organisms. But all those additional channels could explain our temperature . And because the cells with these ion channels also are involved in sensation, the work may be useful in future pain treatment research, too.
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