Definition of Peristomes. Meaning of Peristomes. Synonyms of Peristomes

Here you will find one or more explanations in English for the word Peristomes. Also in the bottom left of the page several parts of wikipedia pages related to the word Peristomes and, of course, Peristomes synonyms and on the right images related to the word Peristomes.

Definition of Peristomes

Peristome
Peristome Per"i*stome, n. [Pref. peri- + Gr. ?, ?, mouth.] 1. (Bot.) 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. (Zo["o]l.) (a) The lip, or edge of the aperture, of a spiral shell. (b) The membrane surrounding the mouth of an invertebrate animal.

Meaning of Peristomes from wikipedia

- structure. Some plants, fungi, and s****ed gastropods have peristomes. In mosses, the peristome is a specialized structure in the sporangium that allows...
- gastropod mollusks (a snail s****), the lip is the free margin of the peristome (synonym: peritreme) or aperture (the opening) of the gastropod s****...
- Bryopsida. It is common throughout the whole world. Members have a double peristome with alternating tooth segments. The classification of the Bryidae. Superorder:...
- are rigid, and the calyptrae are hairy. Most species have nematodontous peristomes with 32–64 teeth in their sporangium; some early-diverging genera instead...
- called the stoma (meaning "mouth") and is surrounded by one or two peristomes. A peristome is a ring of triangular "teeth" formed from the remnants of specially...
- of dry or disturbed areas. They are distinguished by their spores; the peristome teeth are haplolepideous with a 4:2:3 formula, and an exostome is absent...
- dispersing the spores to a new location. Mosses do not have elaters, but peristomes which change shape with changes in humidity or moisture to allow for a...
- is derived from its symmetrical, erect and urn-like capsules that lack peristomes, these features characterising the genus. They are commonly found on exposed...
- aid in spore dispersal Endostome – The inner ring of peristome teeth in diplolepidous peristomes. Endothecium – the internal cell layers of the developing...
- with two species. The defining feature of the family is the 4-toothed peristome. This family of mosses is most commonly found in northern latitudes. Tetraphis...