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opercula    
operculum的复数形

operculum的复数形

Operculum \O*per"cu*lum\, n.; pl. L. {Opercula}, E.
{Operculums}. [L., a cover or lid, fr. operire to cover.]
1. (Bot.)
(a) The lid of a pitcherform leaf.
(b) The lid of the urnlike capsule of mosses.
[1913 Webster]

2. (Anat.)
(a) Any lidlike or operculiform process or part; as, the
opercula of a dental follicle.
(b) The fold of integument, usually supported by bony
plates, which protects the gills of most fishes and
some amphibians; the gill cover; the gill lid.
(c) The principal opercular bone in the upper and
posterior part of the gill cover.
[1913 Webster]

3. (Zool.)
(a) The lid closing the aperture of various species of
shells, as the common whelk. See Illust. of
{Gastropoda}.
(b) Any lid-shaped structure closing the aperture of a
tube or shell.
[1913 Webster]


Opercula \O*per"cu*la\, n. pl.
See {Operculum}.
[1913 Webster]


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  • Operculum (brain) - Wikipedia
    In human brain anatomy, an operculum (Latin, meaning "little lid") (pl : opercula), may refer to the frontal, temporal, or parietal operculum, which together cover the insula as the opercula of insula [1] It can also refer to the occipital operculum, part of the occipital lobe
  • 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 More specifically it consists of the cortical areas adjacent to the insular lobe and its surrounding circular sulcus
  • Anatomical aspects of the insula, opercula and peri-insular white . . .
    The opercula, white matter tracts and basal ganglia around and at the mesial border of the insula are highly eloquent, especially in the dominant hemisphere (Figs 1 and 2)
  • OPERCULA Definition Meaning - Merriam-Webster
    The meaning of OPERCULUM is a body process or part that suggests a lid
  • Insula: Anatomy, function, connections, clinical points - Kenhub
    The portions of these lobes that cover the insula are therefore called the opercula (the plural of “operculum” which in latin means a little lid) When the opercula of the insula are removed, notable gyri and sulci can be seen The insula is a lobe that has a triangular shape
  • Operculum Brain: Unveiling Cerebral Architectures Hidden Folds
    The operculum is located within the cerebral cortex, that wrinkly outer layer of the brain that gives us our higher cognitive abilities More specifically, it’s situated at the junction of several important lobes: the frontal, parietal, and temporal lobes
  • Opercula | definition of opercula by Medical . . . - Medical Dictionary
    1 a lid or covering 2 the folds of pallium from the frontal, parietal, and temporal lobes of the cerebrum overlying the insula adj , adj oper´cular dental operculum the hood of gingival tissue overlying the crown of an erupting tooth
  • OPERCULA definition and meaning | Collins English Dictionary
    4 meanings: → See operculum 1 zoology a the hard bony flap covering the gill slits in fishes b the bony plate in certain Click for more definitions
  • Operculum (gastropod) - Wikipedia
    An operculum (Latin for 'cover, covering'; pl opercula or operculums) is 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 groups of land snails, including the Helicinidae, Cyclophoridae, Aciculidae, Maizaniidae, Pomatiidae, etc
  • Protocol Preparation of Opercula for Age Estimation - Virginia
    The operculum is a triangle-shaped bone that is posterior to the eye and mouth and posi- tioned on each of the sh's lateral sides (Fig- ure1), joined to the sh via a ball-and-socket hinge This hinge enables the operculum to easily open and close Opercular growth be- gins here and each successive year, new growth is added





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