The Brain, Neurons and Brain Chemistry
Neurons Have Specialized Receptors
Biologists have identified more than 100 different neurotransmitters. Each has a different three-dimensional shape, which fits only a certain kind of receptor site. The relationship between a neurotransmitter and its receptor is similar to that of a key and a lock.
Keywords: axon | brain | dendrite | neuron | neurotransmitter | receptor | receptor site | synapse | synaptic gap
- Microscopic image of a hippocampal neuron © Baylor College of Medicine\Robert S. McNeil.
- From the Brain Chemistry Teacher’s Guide activity, “Neurotransmitters Contain Chemicals.” Brain Chemistry Teacher’s Guide © Baylor College of Medicine (ISBN: 978-1-888997-45-3) was supported, in part, by funds from the National Institutes of Health, Science Education Partnership Award grant number R25RR13454, and the NIH Blueprint for Neuroscience Research Science Education Award, National Institute on Drug Abuse and NIH Office of the Director, grant number 5R25DA033006.
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Funded by the following grant(s)
NIH Blueprint for Neuroscience Research Science Education Award, National Institute on Drug Abuse, and NIH Office of the Director
The Learning Brain: Interactive Inquiry for Teachers and Students
Grant Number: 5R25DA033006
Filling the Gaps: K-6 Science/Health Education
Grant Number: 5R25RR013454