GROSS ANATOMY

Detailed explanation-1: -The olfactory nerve is a solely sensory nerve and conveys the sense of smell. Its receptors are located in the olfactory mucosa under the roof of the nasal cavity. The olfactory fibers cross the skull base through the olfactory foramina of the cribriform plate and enter the olfactory bulb in the olfactory groove.

Detailed explanation-2: -Olfactory nerve fibers travel a short distance to an area in the upper part of your nose (olfactory bulb). Before reaching your olfactory bulb, the nerve fibers pass through your cribriform plate. This spongy, lightweight skull bone separates your nasal area from your brain.

Detailed explanation-3: -The mitral cells and tufted relay neurons form connections with olfactory receptor neurons in the glomeruli. They receive olfactory information and then carry it from the olfactory bulb to the olfactory cortex, the main site for the processing of olfactory information.

Detailed explanation-4: -Our Sense of Smell When we sniff, chemicals in the air are dissolved in mucus. Odor receptor neurons in olfactory epithelium detect these odors and send the signals on to the olfactory bulbs. These signals are then sent along olfactory tracts to the olfactory cortex of the brain through sensory transduction.

Detailed explanation-5: -The axons projecting from the olfactory receptor cells via the olfactory nerve terminate within the olfactory bulb. The olfactory bulb is the main relay station within the olfactory pathway.