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The accessory olfactory bulb resides on the dorsal-posterior region of the main olfactory bulb and forms a parallel pathway. Destruction of the olfactory bulb results in ipsilateral anosmia, while irritative lesions of the uncus can result in olfactory and gustatory hallucinations. Flow of olfactory information from receptors to glomeruli layer
In this migrational pathway, olfactory neurons move from the nasal cavities to the mitral cells in the olfactory bulb. [2] The mitral primary axons extend and form a bundle of axons, called the LOT, towards higher olfactory centers: anterior olfactory nucleus , olfactory tubercle , piriform cortexr , entorhinal cortex , and cortical nuclei of ...
Olfactory pathway, insects. Insect olfaction refers to the function of chemical receptors that enable insects to detect and identify volatile compounds for foraging, predator avoidance, finding mating partners (via pheromones) and locating oviposition habitats. [1] Thus, it is the most important sensation for insects. [1]
The olfactory system is the pathway between the nose and the brain. The system detects smell by processing the tiny odor molecules that waft off of various objects, such as baking bread or a ...
Mice form an olfactory memory which helps them define and react to the presence of pheromones. Humans have no VNO but still a level of communication through semiochemicals. These classes of pheromonal action are the opposite-sex attractants, the same-sex repellants (territorial markers), mother–infant bonding attractants and those modulating ...
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. The main olfactory system detects airborne substances, while the accessory ...
The researchers acknowledge that while the olfactory pathway was the likely route that these microplastics ended up in the olfactory bulbs, multiple entry points were possible.
Glomeruli are important waystations in the pathway from the nose to the olfactory cortex and have been found to be critical for odorant signal transduction. The olfactory receptor neurons (ORN), which originate in the nasal epithelium express only one type of olfactory receptor (OR). These ORNs then project their axons to the olfactory bulb.
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related to: olfactory pathways pdf printable form template one