Answer :
Final answer:
The olfactory sensory neurons (OSNs) converge onto two glomeruli. They are specialized bipolar neurons with cilia that carry unique receptors for different odorants. Odorant binding stimulates the OSNs and sends information to the cerebral cortex.
Explanation:
Each olfactory sensory neuron (OSN) specifically converges onto two d. glomeruli. OSNs are bipolar neurons that have a single dendrite extending into the olfactory epithelium. From this dendrite, 5 to 20 cilia laden with sensory receptors trap odorant molecules. These receptors are proteins with varying amino acid chains, which give them their unique sensitivity to different odorants. An odorant binding to its respective receptor stimulates the sensory neuron and sends information to the cerebral cortex. OSNs are specialized, as each only carries one type of receptor that is specific to a certain odorant.
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