OLFACTORY BULB Meaning and
Definition
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The olfactory bulb is a crucial component of the human and animal olfactory system, responsible for the initial processing of smells and the transmission of olfactory information to the brain. Situated at the front of the brain, the olfactory bulb is located directly above the nasal cavity and is connected to it through olfactory nerve fibers, forming a vital link between the environment and the brain.
Functionally, the olfactory bulb plays a pivotal role in the sense of smell. When odor molecules enter the nasal cavity during inhalation, they bind to specialized sensory cells called olfactory receptors. These receptors then generate electrical signals that are transmitted to the olfactory bulb via the olfactory nerve fibers. In the bulb, these signals are processed and refined before being transmitted to higher brain regions involved in olfaction.
Structurally, the olfactory bulb is comprised of multiple layers of neural tissue, including glomeruli, mitral cells, granule cells, and periglomerular cells. Glomeruli are clusters of nerve connections that receive signals from olfactory receptors, while mitral cells relay these signals to other brain regions. Granule cells modify and refine the signals within the bulb, while periglomerular cells modulate the strength of the olfactory signal.
In summary, the olfactory bulb serves as a critical relay station in the olfactory pathway. By processing and refining odor information, it enables the brain to interpret and perceive a wide range of smells, playing an integral role in human and animal olfaction.
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• The swollen anterior extremity of the o. tract.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for OLFACTORY BULB
- ilfactory bulb
- klfactory bulb
- llfactory bulb
- plfactory bulb
- 0lfactory bulb
- 9lfactory bulb
- okfactory bulb
- opfactory bulb
- oofactory bulb
- oldactory bulb
- olcactory bulb
- olvactory bulb
- olgactory bulb
- oltactory bulb
- olractory bulb
- olfzctory bulb
- olfsctory bulb
- olfwctory bulb
- olfqctory bulb
Etymology of OLFACTORY BULB
The term "olfactory bulb" originates from the combination of the Latin words "olfactus", meaning "sense of smell", and "bulbus", which refers to a rounded or bulbous shape. The olfactory bulb is a rounded structure located at the base of the brain, responsible for receiving and processing sensory information related to the sense of smell.
Similar spelling words for OLFACTORY BULB
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