Proboscis
... In general, a
proboscis is an elongated appendage from the head of an ... either a vertebrate or an invertebrate. .
proboscis n. , pl. -boscises or -boscides ( ). A long flexible snout or trunk, ...
proboscis of a predatory marine snail Mitra mitra. ... ...
Acoelomate
... Nemertea, and Mesozoa) lack a coelom, although nemerteans have a fluid-filled cavity at their anterior, or head, end, which is used to eject the
proboscis rapidly. The lack ... Acoelomate - Definition of Acoelomate at Dictionary.com a free online dictionary ... acoelomate - 3 dictionary ...