Morphology and ultrastructure of the venom gland in the ant Brachyponera sennaarensis

Johan Billen & Mohammed Al-Khalifa
We studied the morphology and ultrastructure of the venom gland of queens and workers of the samsum ant Brachyponera sennaarensis, which is known for its very painful sting. The general anatomical features of the gland are similar to those of other ants. The secretory cells do not have a granular endoplasmic reticulum, but contain numerous scattered free ribosomes and a well-developed Golgi apparatus. The convoluted gland represents an additional secretory tissue, in which the venom...
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