Examples of 'peristome' in a sentence
Meaning of "peristome"
Peristome is the area around the mouth or opening of a tubular or cup-shaped organism
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- One or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses.
- The parts of or surrounding the mouths of numerous invertebrates.
- The lip, or edge of the aperture, of a spiral shell.
How to use "peristome" in a sentence
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peristome
The aperture or peristome is bordered by a lip or labrum.
There are two basic arthrodontous peristome types.
The peristome may be yellow to dark brown.
A constriction is present just below the peristome.
The peristome is thickened and a little relfexed.
The round aperture has a continuous peristome.
The peristome is thin and irregularly serrated.
They often have a white peristome and lid.
The peristome is flattened above and below.
They are distinctly constricted just below the peristome.
Peristome teeth are completely absent in upper pitchers.
The continuous peristome is slightly thickened.
Peristome smooth or with fine ribbing.
The shells lack a thickened peristome.
The peristome has short yellowish teeth.
See also
Bright red apical ridges or rays form a peristome.
The peristome teeth are divided in about the middle.
They often narrow just below the peristome.
The peristome is rather sharp and strongly arched.
Produces pitchers with a wide peristome.
The peristome is much thickened inside.
The continuous peristome is sharp.
The peristome is generally not continuous.
Its name refers to its four large peristome teeth.
The thick peristome is plicate within.
The aperture is white and the brown peristome is thick.
The peristome is not very effuse.
The last rib before the peristome is very thick.
The peristome is continuous and thick.
Teeth are not visible on the inner margin of the peristome.
The thick peristome is posteriorly produced.
The mouth of the capsule is usually ringed by a set of teeth called peristome.
The peristome is lobate and has a distinct neck.
It forms therefore a rather conspicuous peristome reinforced within by three strong lamellar folds.
The peristome is slightly produced below.
Its name refers to its four large peristome teeth found on the sporophyte capsule.
The peristome is thin and continuous.
The most common form of this species has green pitchers with a red peristome.
The peristome is thin and sharp.
The fully developed capsule will have four peristome teeth attached to the rim of capsule.
The peristome is flatly reflexed throughout.
Two fringed wings run from the tendril attachment to the lower edge of the peristome.
The peristome is scarcely crenulated and is frequently greenish.
The greenish peristome is thickened.
The peristome is the margin of the aperture of a gastropod shell.
The simple peristome is acute.
The peristome is flattened and only slightly expanded.
The parietal wall is covered with a thick callus which gives the peristome a complete aspect.
The peristome is usually dark purple.
The second type is the diplolepidous peristome fround in subclass Bryidae.
