Physiology, Olfactory - StatPearls - NCBI Bookshelf
2023年5月1日 · The process of olfaction involves the conversion of a chemical stimulus, an odorant, into an electrical signal sent to the brain for interpretation. This mechanism begins after olfactory sensory neurons depolarize in response to the binding of an odorant molecule to G-protein coupled receptors (GPCR).
The Olfactory System and Your Sense of Smell - ThoughtCo
2021年8月17日 · The olfactory system enables us to detect odors. Our sense of smell involves nerves, the brain, and sensory organs such as the nose and olfactory bulbs.
Olfactory system | Parts, Function, & Organs | Britannica
Olfactory system, the bodily structures that serve the sense of smell. The system consists of the nose and the nasal cavities, which in their upper parts support the olfactory mucous membrane for the perception of smell and in their lower parts act as respiratory passages.
Olfaction – Basic Human Physiology
Explain the process by which odorants activate olfactory receptors. Trace the path of olfaction from the olfactory receptors, to the initiation of an action potential in the olfactory nerves, through the olfactory bulb, the olfactory tract, and to the various parts of the brain.
Sense of smell - Wikipedia
The sense of smell, or olfaction, [nb 1] is the special sense through which smells (or odors) are perceived. [2] The sense of smell has many functions, including detecting desirable foods, hazards, and pheromones, and plays a role in taste.
Olfactory system - Wikipedia
The olfactory system, or sense of smell, is the sensory system used for olfaction (i.e., smelling). Olfaction is one of the special senses directly associated with specific organs. Most mammals and reptiles have a main olfactory system and an accessory olfactory system .
New Perspectives on Olfactory Processing and Human Smell
Our understanding of the neural basis of olfactory processing is in a strong growth phase, with active research at all levels of the system. This research will not only provide insights into each stage of processing, but also a framework for understanding how the system functions as a whole.