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Operculum (animal) - Wikipedia
An operculum is an anatomical feature, a stiff structure resembling a lid or a small door that opens and closes, and thus controls contact between the outside world and an internal part of an animal .
en.wikipedia.org
en.wikipedia.org
Operculum (gastropod) - Wikipedia
a corneous or calcareous anatomical structure like a trapdoor that exists in many (but not all) groups of sea snails and freshwater snails, and also in a few ...
en.wikipedia.org
en.wikipedia.org
OPERCULUM Definition & Meaning - Merriam-Webster
1. a body process or part that suggests a lid: such as a : a horny or shelly plate on the posterior dorsal surface of the foot in many gastropod mollusks.
www.merriam-webster.com
www.merriam-webster.com
operculum
operculum (əʊˈpɜːkjʊləm) Pl. -la. [a. L. operculum cover, covering, lid, f. operīre to cover, close: see -culum.] An organ or structure forming or resembling a lid or cover; spec. 1. Zool. a. The gill-cover of a fish; esp. the hindmost and uppermost bone of this.1752 Sir J. Hill Hist. Anim. 225 They...
Oxford English Dictionary
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Operculum - Fishionary - American Fisheries Society
The operculum is a hard, plate-like, bony flap that covers the gills of a bony fish (superclass: Osteichthyes). It protects the gills and also serves a role ...
fishionary.fisheries.org
fishionary.fisheries.org
OPERCULUM Definition & Meaning - Dictionary.com
plural · the gill cover of fishes and amphibians. · (in many gastropods) a horny plate that closes the opening of the shell when the animal is retracted.
www.dictionary.com
www.dictionary.com
Operculum (gastropod)
The operculum grows in size as the shell grows, such that the operculum remains in proportion to the apertural size. both the operculum and its host shell.
wikipedia.org
en.wikipedia.org
Operculum | Radiology Reference Article - Radiopaedia.org
The operculum (plural: opercula) is the cortical structure which forms the lid over the insular cortex, overlapping it and covering it from external view.
radiopaedia.org
radiopaedia.org
10 Important Facts About Dental Operculum for Oral Health
An operculum is an extra flap of gum tissue (gingiva) that covers part of the chewing surface of a tooth.
azdentist.com
azdentist.com
The Beachcomber's Guide: What's an Operculum?
It has a dry, leathery appearance with many brown or grey layers, and it's called the operculum. The word operculum is derived from Latin and means a cover or ...
sanibelseaschool.org
sanibelseaschool.org
What is a Dental Operculum And Do You Have One?
An operculum is any gum tissue that covers or partially covers the biting surface of a tooth. Another name for an operculum is a pericoronal flap.
www.winningsmiletor.com
www.winningsmiletor.com
operculum | Taber's Medical Dictionary - Nursing Central
1. Any lid or covering. 2. The narrow opening at the top of the thoracic cage bordered by the sternum and first ribs. 3. The plug of mucus that fills the ...
nursing.unboundmedicine.com
nursing.unboundmedicine.com
Operculum (bryozoa)
In the bryozoan order Cheilostomatida, the operculum is a calcareous or chitinous lid-like structure that protects the opening through which the polypide Many species have modified the operculum in specialized zooids (avicularia) to form a range of mandibles (probably for defense) or hair-like setae (probably
wikipedia.org
en.wikipedia.org
operculi-
operculi- combining form of L. operculum, as in opercuˈliferous a. [-ferous], having an operculum, operculate; oˈperculiform a. [-form], having the form of a lid or operculum; opercuˈligenous a. [-gen + -ous: cf. alkaligenous], producing an operculum: said of the metapodium of gastropods; opercuˈlig...
Oxford English Dictionary
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Operculum (animal)
The operculum lies on the top rear part of the foot. When the foot is retracted, the operculum is rotated 180° and closes the shell. An operculum (fish), a flap that covers the gills in bony fishes and chimaeras.
wikipedia.org
en.wikipedia.org