per·i·stome 
(pĕrĭ-stōm′)
(pĕrĭ-stōm′)n.
1. Botany A fringe of toothlike appendages surrounding the mouth of a moss capsule.
2. Zoology The area or parts around the mouth in certain invertebrates.
per′i·stomal (-stōməl), per′i·stomi·al (-stōmē-əl) adj.
- Metapontum
- metaproterenol
- metapsychology
- metasomatic
- metasomatically
- metasomatism
- metasomatosis
- metastability
- metastable
- metastasis
- metastasize
- metastatic
- metastatically
- metatag
- metatarsal
- metatarsally
- metatarsus
- metate
- metatheory
- metathesis
- metathesize
- metathetic
- metathetical
- metathetically
- metathoracic