Definition of Peristome

1. Noun. (botany) fringe of toothlike appendages surrounding the mouth of a moss capsule.

Category relationships: Botany, Phytology
Group relationships: Capsule
Generic synonyms: Enation, Plant Process



2. Noun. Region around the mouth in various invertebrates.

Definition of Peristome

1. n. 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.

Definition of Peristome

1. Noun. (botany) One or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses. ¹

2. Noun. (zoology) The parts of or surrounding the mouths of numerous invertebrates. ¹

3. Noun. The lip, or edge of the aperture, of a spiral shell. ¹

¹ Source: wiktionary.com

Definition of Peristome

1. [n -S]

Medical Definition of Peristome

1. 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. 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. Source: Websters Dictionary (01 Mar 1998)

Peristome Pictures

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Lexicographical Neighbors of Peristome

peristeria
peristerias
peristerion
peristerite
peristerites
peristernal perichondritis
peristeromorphous
peristeronic
peristeropodous
peristole
peristolic
peristoma
peristomal
peristomata
peristomatous
peristome (current term)
peristomes
peristomia
peristomial
peristomium
peristrephic
peristriate area
peristriate cortex
peristrumous
peristylar
peristyle
peristyles
perisylvian
perisynaptic
perisynovial

Literary usage of Peristome

Below you will find example usage of this term as found in modern and/or classical literature:

1. Manual of Botany for North America: Containing Generic and Specific by Amos Eaton (1836)
"M. The outer peristome seems as if almost obliterated, it consists of 16 very minute scales ... Teeth of the outer peristome 16, cohering together at the ..."

2. Organography of Plants, Especially of the Archegoniata and Spermaphyta by Karl Goebel, Isaac Bayley Balfour (1905)
"The teeth of the peristome, when moistened, bend over the mouth of the capsule and ... The peristome is a simple one. Barbula. In Barbula there is a slight ..."

3. Text-book of Comparative Anatomy by Arnold Lang, Ernst Heinrich Philipp August Haeckel (1896)
"(h) Form of the peristome. In most Echinoidea, ie in those in which the peristome ... But where the peristome is shifted anteriorly, as in the sub-order ..."

4. A Manual of the Infusoria: Including a Description of All Known Flagellate by William Saville-Kent (1880)
"This species is distinguished from the preceding type by the greater length of its body, the smaller proportionate extent of the peristome field, ..."

5. Mosses with Hand-lens and Microscope: A Non-technical Hand-book of the More by Abel Joel Grout (1903)
"Costa strongly excurrent into a hair-point ; peristome of 32 filiform teeth ... Plants larger; capsule opening by a lid ; peristome lacking or present . 8. ..."

6. Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge by Charles Knight (1838)
"Columella flattened, without either tooth or lamina, forming a sort of gutter at its intersection with the penultimate whorl; peristome reflected. ..."

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