peristome
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Tanımlar :
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.
2. zoology the area or parts around the mouth in certain invertebrates.
from The American Heritage® Dictionary of the English Language, 4th Edition
1.
one or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses.
2. the parts of or surrounding the mouths of numerous invertebrates.
3. the lip, or edge of the aperture, of a spiral shell.
2. the parts of or surrounding the mouths of numerous invertebrates.
3. the lip, or edge of the aperture, of a spiral shell.
from Wiktionary, Creative Commons Attribution/Share-Alike License
1.
the fringe of teeth around the orifice of the capsule of mosses. it consists of 4, 8, 16, 32, or 64 teeth, and may be either single or double.
2.
3. the lip, or edge of the aperture, of a spiral shell.
4. the membrane surrounding the mouth of an invertebrate animal.
2.
3. the lip, or edge of the aperture, of a spiral shell.
4. the membrane surrounding the mouth of an invertebrate animal.
from the GNU version of the Collaborative International Dictionary of English
1.
in botany, the ring or fringe of delicate hairlike appendages which is observed on the rim or mouth of the capsule of a moss when the operculum is removed.
2. in zoology, mouth-parts in general; the structures or set of parts which surround the cavity of the mouth or oral opening and constitute its walls, framework, or skeleton: used chiefly of lower animals, as echinoderms, which have circular or radiate mouth-parts.
2. in zoology, mouth-parts in general; the structures or set of parts which surround the cavity of the mouth or oral opening and constitute its walls, framework, or skeleton: used chiefly of lower animals, as echinoderms, which have circular or radiate mouth-parts.
from The Century Dictionary and Cyclopedia