operculum

operculum

美 [oʊ'pɜrkjʊləm] 　英 [əʊ'pɜ:kjʊləm]

• n.【植】果盖；藓盖；【动】螺的厣；(鱼的)鳃盖骨
• 网络蒴盖；卵盖；石灰质厣

词形变化

复数：opercula  

英汉解释

n.	1. 【植】果盖;藓盖;【动】螺的厣;(鱼的)鳃盖骨;【虫】盖

英英解释

n.

1. the plug of mucus that fills the opening of a woman's cervix while she is pregnant. 2. the flexible bony flap covering the gills of bony fishes 3. a flap covering an aperture in the spore capsules of mosses and some fungi 4. a rounded plate that seals the mouth of the shell of some gastropod mollusks when the animal's body is inside

例句

Teeth covered by an operculum can be difficult to clean with a toothbrush.

被盲袋覆盖的牙齿很难用牙刷清理。

spinule A small spine, e. g. , on the head or on the operculum . This term is generally not used in reference to the small spines of fins.

小刺一种小的棘，例如在头部上或在鳃盖上。这个词通常不被用于指示鳍的小棘。

Capsules dehiscent by an operculum slightly distal to middle.

通过一个盖稍上部至中部开裂的蒴果。

The sporophyte body comprises a long stalk, called a seta, and a capsule capped by a cap called the operculum.

孢子体是由称之为棘毛的长柄和被果盖覆盖的荚膜所组成。

The researchers say this part of Einstein's brain was different in another way. It lacked a structure called the parietal operculum.

研究人员说，爱因斯坦大脑的这一部分在另一方面也不相同，它缺少顶盖。

In addition, Einstein's brain did not have a structure, called the parietal operculum, that typically runs through this area of the brain.

此外，爱因斯坦的大脑并没有一种结构，称为壁盖，通常通过此区域的大脑运行。

Micropylar collar, operculum and parenchyma cells are differentiated at micropylar region.

种子珠孔区分化出珠孔领、孔盖和珠孔区薄壁细胞。

lies below the opercle and forms the ventro-posterior margin of the operculum .

位于鳃盖下面，形成鳃盖的腹后缘。

Cells in the right parietal operculum operate as we act in response to other's gestures.

当我们对他人的手势作出反应时，起作用的是我们右顶骨的细胞。

Our welcome rice operculum son teacher, it is the rod polar that you have a class!

我们欢迎米盖儿老师，你上课真是棒极了！

gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs ;

腹足动物，有鳃，位于心脏后面，无鳃盖；包含海蛞蝓；

opercle The large bone which forms the upper posterior part of the operculum ;

鳃盖骨形成鳃盖后上方部分的大硬骨；

Operculum syndrome caused by viral encephalitis, presentation of two cases

病毒性脑炎引起岛盖综合征二例

Operculum of retina without mention of detachment

视网膜盖未提及脱离