Dictionary » P » Peristome

Peristome

peristome

1. (Science: botany) 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. (Science: zoology) The lip, or edge of the aperture, of a spiral shell. The membrane surrounding the mouth of an invertebrate animal.

Origin: Pref. Peri- _ Gr, mouth.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified 21:16, 3 October 2005. This page has been accessed 5,392 times. 
What links here | Related changes | Permanent link