Neurons of supraesophageal ganglion of a cockroach Periplaneta americana (Arthropoda, Insecta). The neurons send processes to the left cervical connective. Annotated Image

 

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Authors: A.N. Shumeev, O.V. Zaitseva

Color Channels:

Blue — impegnation with nickel salts

Notation:

AN - processes of ascending neurons;
DN - descending neurons;
MB - mushroom body;
NA - antennal nerve;
1 - protocerebrum;
2 - deutocerebrum;
3 - tritocerebrum.
Arrow indicates the direction of connective staining from the caudal side.

Image
description

The image shows several groups of neurons that produce ascending and descending connections in the left and right halfs of the supraesophageal ganglion.