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Olfactory system - Wikipedia The olfactory system, is the sensory system used for the sense of smell (olfaction) 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
15. 2 Smell – Anatomy Physiology Like taste, the sense of smell, or olfaction, is also responsive to chemical stimuli The olfactory receptor neurons are located in a small region within the superior nasal cavity (Figure 15 2 1) This region is referred to as the olfactory epithelium and contains bipolar sensory neurons
Olfactory Sense | SpringerLink The task is accomplished by specialized olfactory sensory neurons which encode the strength, duration and quality of odorant stimuli into distinct patterns of afferent neuronal signals
What is Sense of Smell? Olfaction, Olfactory Receptors Smell Loss . . . Our sense of smell is a chemosensory mechanism that detects chemicals in the air via the nose (sensory organ) Evaporation of the air with chemicals or odourants occurs into the olfactory epithelium The olfactory nerve contracts and triggers an electrical response
Smell (Olfactory) Disorders—Anosmia, Phantosmia Others | NIDCD Your sense of smell —like your sense of taste—is part of your chemosensory system, or the chemical senses Your ability to smell comes from specialized sensory cells, called olfactory sensory neurons, which are found in a small patch of tissue high inside the nose
Your 8 Senses | STAR Institute The olfactory bulb transmits smell information from the nose to the brain, and is thus necessary for a proper sense of smell Unlike the other sensory systems, the olfactory bulb has only one source of sensory input (neurons of the olfactory epithelium) and one output
The Senses: Smell and Taste - Dana Foundation Smell and taste are the oldest of the senses They are essential for survival, having evolved to play key roles in such basic processes as feeding, mating, and avoiding danger As the two chemical senses, they work by allowing tiny bits—molecules—of the outside world into the body, and binding to them
15. 9H: Olfaction - The Sense of Smell - Biology LibreTexts This page explains that human smell involves sensory receptors in the olfactory epithelium, where odorant molecules interact with receptors on sensory neuron cilia This interaction activates a signaling pathway that generates action potentials, allowing the brain to identify odors