Examples of 'operculum' in a sentence
Meaning of "operculum"
An operculum is a lid or covering flap, especially in the biological context of covering or closing an aperture
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- A covering flap in animals, such as a gill cover.
- The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds.
- A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth.
- A structure which serves as a cover or lid.
How to use "operculum" in a sentence
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operculum
The operculum consists of four triangular flaps.
The periostracum and operculum were not observed.
The operculum allows the embryo to breathe.
They are land snails which have an operculum.
The horny operculum has seven volutions.
A large black spot is present on the operculum.
The operculum is equipped with long rostrate.
Aberrations in the shape of operculum have been observed.
The thin operculum is orbicular and multispiral.
The inside is orange and there is no operculum.
The subcircular operculum is somewhat concave within.
Fragaria species have a fusiform colpus operculum.
The operculum is calcareous and also pearly.
The initiatory part of the operculum is spiral.
The operculum has about seven whorls.
See also
Some species have an operculum and some do not.
The operculum is decorated with small pebbles.
A prominent spot of crimson red is seen on the operculum.
The calcareous operculum has a white color.
Most of the species have no operculum.
The thin operculum is horny and multispiral.
The aperture is closed by a horny operculum.
The horny operculum is circular and multispiral.
Each bud has a single unscarred conical operculum.
The white or green operculum is granulose outside.
The snails do not have an operculum.
Tissue inside the operculum is brightly coloured.
There is not known description of operculum.
The horny operculum is very small.
There are concentric lines on the operculum.
The operculum is in most cases horny.
This specialized structure is called an operculum.
The operculum is oval and black.
The periostracum is tufted and the operculum is large.
The operculum is absent in this family.
This species has a green operculum.
The operculum has a terminal nucleus.
There are two apophyses on its operculum.
The operculum is as usual in the genus.
There is no black spot on the operculum.
The lid or operculum is suborbicular and lacks appendages.
Some fish pump water using the operculum.
The white operculum has heavily ridged walls.
On top of the frontal operculum.
The operculum is corneous and pancispiral.
The animal has an operculum.
The vestigial operculum may reflect an archaic condition.
The foot is with operculum.
This operculum is cartilaginous and flexible.
There is a minute translucent operculum.
