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metasternum

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Glossary)
No Taxon (M)
No Taxon metasternum
Identification
metasternum noun, adjective metasternal - the under surface of the metathorax; the rearmost prominent sclerite on the underside of the thorax.

Photos showing the metasternum:
See Also

Divisions of thorax (front | middle | rear):

Dorsal surface of thorax (notum):

Lateral (pleural) surface of thorax:

Ventral surface of thorax:
prosternum | mesosternum | metasternum