Glossary O

Olfactory bulb refers to the structure that receives signals directly from the olfactory receptors. The olfactory bulb contains glomeruli, which receive these signals from the receptors.

Olfactory cells are neurons responsible for the sense of smell, located on the olfactory epithelium in the rear of the nasal air passages

Olfactory demarcation refers to an animal signalling its presence through scent which can be in its feces, urine and products of special scent glands. Generally male scent glands are more elaborate than those of the females.

Olfactory disorder refers to a loss in the ability to smell or a change in the way odors are perceived. Hyposmia means reduction of the sense of smell, while Anosmia is the total inability to detect odors. Olfactory hallucination is a type of hallucination that involves the sense of smell

Olfactory hallucination refers tothe type of Hallucination involving the perception of a smell. Example, some people may perceive a smell that is not present. Korsakoff's (alcoholic)

Olfactory mucosa refers to the region inside the nose that contains the receptors for the sense of smell.

Olfactory Receptor Neurons (ORNs) refer to sensory neurons located in the Olfactory mucosa that contain the olfactory receptors.
Olfactory receptors refer to protein string that responds to odor stimuli.

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