Meaning Of The Word Prostomium

Real Dictionary

What's the definition of Prostomium? Find Prostomium meanings, definitions and more at the Real Dictionary online.

Prostomium Meaning

Prostomium Definition
Prostomium Definition

What's The Definition Of Prostomium?

prostomium in American English
a small, noselike portion of the first body segment in many annelid worms, lying above and overhanging the mouth in earthworms
noun: the unsegmented, preoral portion of the head of certain lower invertebrates

prostomium in British English
noun: the lobe at the head end of earthworms and other annelids: bears tentacles, palps, etc, or forms part of a sucker or proboscis

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