Left Maxilla of a dragonfly larva. Stacked image. Objective: 10x. Annotated Image

 

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Authors: V.V. Starunov

Color Channels:

Blue — methylene blue

Notation:

Fig.32, p. 65 from: Zavarzin A.A. 1950. Selected Works. Vol.3. Essays on the evolutionary histology of the nervous system. Moscow-Leningrad. USSR Academy of Sciences publishing. 420 p. (In Russian).

K – cones;
Kl – gustatory organs;
KZ – cone cells;
mxn – maxillary nerve fibre;
St – stipes;
Pg – palpiger;
g+l – galea and lacinia;
P, PM – Palpus maxillaris;
Th, th, hb – tactile sensitive setae;
ZZ – teeth cells.

Image
description

Innervation of the jaw of a dragonfly larva revealed by supravital methylene-blue staining.