prostomium

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English

English Wikipedia has an article on:

prostomium

Etymology

From Ancient Greek, meaning "before the mouth".

Noun

prostomium (plural prostomia)

(zoology) The portion of the head of an annelid situated in front of the mouth.

Related terms

prostomial

References

“prostomium”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

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English undefined derivations