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Definition of Olfactory bulb
1. Noun. One of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities.
Medical Definition of Olfactory bulb
1. Ovoid body resting on the cribriform plate of the ethmoid bone where the olfactory nerve terminates. The olfactory bulb contains several types of nerve cells including the mitral cells, on whose dendrites the olfactory nerve synapses, forming the olfactory glomeruli. The accessory olfactory bulb, which receives the projection from the vomeronasal organ via the vomeronasal nerve, is also included here. (12 Dec 1998)
Lexicographical Neighbors of Olfactory Bulb
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