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Updated: May 26, 2026

Calcium Imaging of Odor-evoked Responses in the Drosophila Antennal Lobe
09:00

Calcium Imaging of Odor-evoked Responses in the Drosophila Antennal Lobe

Published on: March 14, 2012

刺激局所回路と,その影響が,ハエのアンテナ葉の嗅覚処理に及ぼす影響

Yuhua Shang1, Adam Claridge-Chang, Lucas Sjulson

  • 1Department of Cell Biology, Yale University School of Medicine, 333 Cedar Street, New Haven, CT 06520, USA.

Cell
|February 10, 2007
PubMed
まとめ

昆虫の嗅覚回路は,地元のニューロンを用いて,匂いの反応を拡大する. 新しい研究により,コレニンガ的局所ニューロン (LNs) が投影ニューロン (PNs) を刺激し,嗅覚信号伝送を強化することが明らかになった.

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Multi-unit Recording Methods to Characterize Neural Activity in the Locust (Schistocerca Americana) Olfactory Circuits

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Whole Mount Immunolabeling of Olfactory Receptor Neurons in the Drosophila Antenna05:21

Whole Mount Immunolabeling of Olfactory Receptor Neurons in the Drosophila Antenna

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Olfaction01:25

Olfaction

The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...
Olfactory Receptors: Location and Structure01:03

Olfactory Receptors: Location and Structure

The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
Physiology of Smell and Olfactory Pathway01:20

Physiology of Smell and Olfactory Pathway

Humans detect odors with the help of specialized cells located in the upper part of the nasal cavity, called olfactory receptor neurons (ORNs). ORNs possess hair-like structures called cilia, which are receptive to sensations from the inhaled air. When an odorant molecule binds to a specific receptor on the cell of the cilia, it leads to a series of events that ultimately cause the ORN to send electrical signals to the olfactory bulb in the brain through the olfactory nerves.
The olfactory...