Operculum (gastropod) - Wikipedia, the free encyclopedia
The operculum , meaning little lid, (plural: opercula or operculums) is a corneous or calcareous structure which exists in many (but not all) groups of sea snails and freshwater snails, and also in ...
en.wikipedia.org/wiki/Operculum_(gastropod)
Operculum (botany) - Wikipedia, the free encyclopedia
In botany, operculum may be used to describe any of the following: •A flap of the sporangium of a moss, covering the peristome (appendages surrounding the mouth of a moss capsule). •The cap of the a...
en.wikipedia.org/wiki/Operculum_(botany)
operculum (Latin for "little lid") has been used to describe several different ... In botany, operculum may be used to describe any of the following:*A flap ...
www.absoluteastronomy.com/topics/Operculum www.absoluteastronomy.com/topics/Operculum
Serpulid polychaetes are typically recognized by having fused anterior ends bearing a tentacular crown and an operculum. The latter is commonly viewed as a modified tentacle (= radiole) and is often used as an important diagnostic character in serpulid systematics.
www.biomedcentral.com/1471-2148/9/270
In the present study, laser Doppler interferometry was used to record vibrations of both the operculum and stapes of the bullfrog in response to airborne sound, to examine the hypothesis that the stapes footplate and operculum are functionally independent.
jeb.biologists.org/cgi/content/full/205/20/3167
operculum = lid, cover. Used of the dermal bone covering the gill slit in actinopterygian fish, the plate-like bone found on the fenestra ovalis of amphibians (See The Ear.), etc.
www.metaglossary.com/meanings/388306/
Some of the terms used in this atlas may be unfamiliar to amateur biologists, and so I provide this glossary. The definitions provided here relate only to the way the terms are applied to fish. ... Gill membrane – a fleshy flap on the back of the operculum used to allow the gill opening to be closed...
www.niwascience.co.nz/rc/freshwater/fishatlas/glossary
The generic value of the free versus adnate operculum, used by Below (1987) for differentiating phallocystean dinoflagellate cyst genera, is discussed.
palynology.geoscienceworld.org/cgi/content/abstract/19/... palynology.geoscienceworld.org/cgi/content/abstract/19/1/211
Pan's Pantry, the leading multi-faith suppliers of incense resins ... The operculum is the "lid" that all these types of molluscs secrete over their shell opening in order to seal themselves in during dry periods. The term “Devils Fingernails” is used both throughout the Middle East, and also by Cornish fishermen.
www.panspantry.co.uk/onycha.html
pointed, often used to describe the shape of an anal segment or operculum with a terminal border which has a sharp tip. ... ovipositor formed by an elongated supra-anal plate and operculum, often used to deposit eggs into substrates or cavities.
home.planet.nl/~herwa073/phasmida/glossary.htm