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The propodeumcite-ref-3[a] is a term that can refer to unrelated structures in insects or in mollusks.

• Insects

• Mollusks

• Notes

• References

The first abdominal segment in Apocrita Hymenoptera (wasps, bees and ants) is known as the propodeum. It is fused with the thorax to form the mesosoma. It is a single large sclerite, not subdivided, and bears a pair of spiracles. It is strongly constricted posteriorly to form the articulation of the petiole, and gives apocritans their distinctive shape. There may be a suture between the propodeum and the thorax, like in Symphytacite-ref-4[3] or not, and the presence or absence of such suture can aid in identifying specimens.

Propodeum is the anterior (frontal) part of the foot of a mollusk.cite-ref-5[4]

cite-note-3a. ↑ zooanatomical jargon derived from Ancient Greek: πρωπόδιον "forefoot", also as 'propodeon'cite-ref-1[1]cite-ref-2[2] or 'propodium'; plurals 'propodea', 'propodia', or by appending -s to the singular

cite-note-11. ↑ "propodeum". Merriam-Webster.com Dictionary. Merriam-Webster. Retrieved 2024-08-22.

cite-note-22. ↑ citerefmaggenti2010Maggenti, Mary Ann (2010). Dictionary of Invertebrate Zoology. Lulu.com. p. 291. ISBN 9781609620011.

cite-note-43. ↑ citerefsainidhillion1980Saini, Malkiat; Dhillion, Surjit (September 1980). "Metapleural Transformations with Respect to Propodeum and Metapostnotum in Hymenoptera". The Florida Entomologist. 63 (3): 286–292. doi:10.2307/3494624. JSTOR 3494624. Retrieved 16 November 2020.

cite-note-54. ↑ "propodium". Merriam-Webster.com Dictionary. Merriam-Webster. Retrieved 2024-08-22.