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...
- petiolate leaves, the well-developed pitcher lid, the blade-like teeth on the peristomes, the lack of central basal appendages in the pitcher lid, and its preference...
- 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...
- gastropod mollusks (a snail s****), the lip is the free margin of the peristome (synonym: peritreme) or aperture (the opening) of the gastropod s****...
- The mouth of the capsule is usually ringed by a set of teeth called peristome. This may be absent in some mosses.[citation needed] Most mosses rely...
- aid in spore dispersal Endostome – The inner ring of peristome teeth in diplolepidous peristomes. Endothecium – the internal cell layers of the developing...
- or feathery in pattern. The mouth may be level with the surface of the peristome, or may be projecting and trumpet-shaped. Soft corals have no solid exoskeleton...
- tissue, with numerous small, embedded bony pieces. This area, called the peristome, also includes five pairs of modified tube feet and, in many species,...
- are rigid, and the calyptrae are hairy. Most species have nematodontous peristomes with 32–64 teeth in their sporangium; some early-diverging genera instead...
- Differentiated (operculum, peristome) Elongated Maturation of spores Simultaneous Simultaneous Gradual Dispersion of spores Elaters Peristome teeth Pseudo-elaters...