noun, plural pro·sto·mi·a [proh-stoh-mee-uh]. /proʊˈstoʊ mi ə/.
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
OTHER WORDS FROM prostomiumpro·sto·mi·al, adjective
Words nearby prostomium
Example sentences from the Web for prostomium
Prostomium wider than long, deeply bilobed, the median tentacle inserted deeply in the intervening incision.
Prostomium shortly subcordate, well rounded in front, incurved caudally.
Prostomium generally small, sometimes prolonged, but never bearing tentacles or processes.
Prostomium: The region in front of the mouth; the preoral part of the head.The Sea-beach at Ebb-tide|Augusta Foote Arnold
Prostomium of usual general form; consisting of fourteen or fifteen rings.