FIGURE 3.5. Axonal projections of functionally identified pheromone receptor neurons in the male turnip moth, Agrotis segetum.

FIGURE 3.5

Axonal projections of functionally identified pheromone receptor neurons in the male turnip moth, Agrotis segetum. (A) AL structure of male A. segetum. The MGC is situated at the entrance of the AL, and MGC subdivisions are indicated by A, B, and C. A cluster of ordinary glomeruli (O) is visible below the MGC. AN: antennal nerve. (B) Reconstructions of axonal projections of single pheromone receptor neurons. ORNs tuned to different pheromone components terminate in distinct subdivisions of the MGC. Two examples are shown for each ORN type. Electrophysiological responses of the ORNs to cognate pheromone components are shown at the bottom. (From Hansson, B. S., Anton, S., and Christensen, T. A. Science, 256, 1313–15, 1992. With permission.)

From: Chapter 3, Olfactory Information Processing in Moths

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The Neurobiology of Olfaction.
Menini A, editor.
Boca Raton (FL): CRC Press/Taylor & Francis; 2010.
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