Olfactory bulb

olfactory bulbs; they receive input from the olfactory epithelia.
Link to discussion of olfaction.
striatum; it receives input from the frontal lobes and also from the limbic system (below). At its base is the
nucleus accumbens (NA).
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olfactory bulb
a projection of the frontal lobe of a cerebral hemisphere that is well developed in most vertebrates, but reduced in humans, from which arises the olfactory nerve. It is associated with the sense of smell.
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1:olfactory bulb
2:cerebral cortex
3:cerebellum
4:medulla oblongata
In insects, the brain can be divided into four parts, the optical lobes, the protocerebrum, the deutocerebrum, and the tritocerebrum.
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The axons from all the thousands of cells expressing the same odor receptor converge in the olfactory bulb.
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A tuft of capillaries projecting into a renal corpuscle in a kidney. Also, a small spongy mass of tissue in the proboscis of hemichordates, presumed to have an excretory function. Also, a concentration of nerve fibers situated in the olfactory bulb.
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large so there are still smaller windows of opportunity to block segments of patterning of the forebrain. Holoprosencephaly is really a spectrum of malformations that can exist in very mild forms where, for example, only the olfactory bulb is missing.
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