peristome

How To Use peristome In A Sentence

• The species is widely umbilicated, and the peristome is usually dark-coloured. The Journals of John McDouall Stuart
• Upon the left edge of the peristome is a high, undulating membrane, sail-like in appearance when extended. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901
• The anterior cirri appear to line the upper left border of the peristome, which is marked by a row of large cilia. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901
• C, Median longitudinal section of a capsule, with the seta gradually widening into the apophysis at its base; d, operculum; p, peristome; a, annulus; c, columella; s, archesporium; h, air-space between the spore-sac and the wall of the capsule. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
• Ammonites are complete, many with preserved peristomes.
• The peristome is a small groove leading from the anterior end to the mouth about midway down the ventral side of the body. Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901
• That is, these mosses have peristome teeth which are formed by walls growing between the rows of cells making up the mouth of the spore capsule.
• Spines and tube feet surrounding the peristome function in locomotion, burrowing, and food-gathering.
• This zone is composed mainly of the peristome, which produces copious amounts of nectar, luring insect prey to land or crawl onto the perilous footing surrounding the pitcher trap.
• The species is widely umbilicated, and the peristome is usually dark-coloured. The Journals of John McDouall Stuart