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“peristome”
1. The region around the mouth in various invertebrates: The peristome is the membrane surrounding the mouth of invertebrate animals, like earthworms and protozoans. .
2. A natural biological structure that surrounds an opening, like a mouth or pore in plants and animals: A peristome can be the fringe of toothlike appendages surrounding the mouth of a moss capsule.
2. A natural biological structure that surrounds an opening, like a mouth or pore in plants and animals: A peristome can be the fringe of toothlike appendages surrounding the mouth of a moss capsule.
A peristome can also be the lip, or edge of the aperture, of a spiral shell.
This entry is located in the following units:
peri-
(page 16)
stomato-, stomat-, stom-, -stoma, -stomatous, -stomous, -stome, -stomy, -ostomy, -ostome,
(page 5)