Olfactory means concerned with the sense of smell. This olfactory sense develops in the womb. connected with the sense of smell (olfactorius, from olfacere , from olere + facere )
The olfactory bulb receives and processes smells It is located very close to the limbic region, which is thought to be the reason that certain smells can activate vivid memories and emotions
a pea-sized structure on the undersurface of the frontal lobe of the brain that receives inputs from the olfactory neurons and sends the input to the regions of the brain concerned with the sense of smell