coelomic papillae
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annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
Sea cucumber — For the food product made from sea cucumber, see Sea cucumber (food). Sea cucumber A sea cucumber from the Mediterranean Sea Scientific classification … Wikipedia
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
Siboglinidae — Taxobox name = Siboglinidae image width = 250px image caption = Riftia pachyptila regnum = Animalia phylum = Annelida classis = Polychaeta ordo = Canalipalpata familia = Siboglinidae familia authority = Caullery, 1914 subdivision ranks = Genera… … Wikipedia
peanut worm — any small, unsegmented, marine worm of the phylum Sipuncula, that when disturbed retracts its anterior portion into the body, giving the appearance of a peanut seed. Also called sipunculid. * * * ▪ marine worm Introduction also called… … Universalium
