卵器
- 名egg apparatus
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本文研究了茶树卵器的结构和受精过程。
The structure of egg apparatus and the process of fertilization of tea plant were studied .
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在胚囊发育过程中珠孔端的珠心组织退化,故成熟胶囊的卵器端直接与珠被和珠孔相接。
Owing to the degeneration of the nucellus at the micropyle pole during megagametogenesis , the egg apparatus pole of the mature embryo sac directly contacts with the integument and more or less penetrates into the micropyle .
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颈卵器的早期发育在授粉后两周内就业已明显。
Early archegonial development is already evident two weeks after pollination .
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例如藓类颈卵器(雌性器官)分泌蔗糖
For example , the archegonium ( female organ ) of the moss Funaria secretes sucrose .
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颈卵器植物MADS-box基因的研究进展
Advances in the Study on MADS-box Genes of Archegoniatae
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接种后80d左右开始有性器官出现,精子器的出现较颈卵器早10d左右。
The sex organs were formed in 80 days after inoculation , and antheridia appeared about 10 days earlier than archegonia .
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培养80~100d后原叶体成熟,其精子器呈球形,颈卵器为高等蕨类植物典型类型。
The prothallus matured in 80 - 100 days after inoculum . The antheridia is globular . The archegonia is of the type common in the high ferns .
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银杏雌配子体形成及颈卵器发育的细胞学研究
Cytological Studies on the Formation of Female Gametophyte and Development of Archegonia
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蝽类昆虫破卵器扫描电镜观察
Scanning electron microscopic observation on egg-bursters of terrestrial Heteroptera
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藏卵器在性质上一般是简退的。
The archegonium is generally reduced in nature .
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诱蚊诱卵器和光催化捕杀蚊蝇器现场应用效果良好。
The mosq-ovitrap and photocatalytic mosquito and fly trap have a high attractive effect .
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普通小麦种内卵器开花前细胞核内有丝分裂现象
The Phenomena of Mitosis Inside Cell Nucleus of Egg Apparatus Before Flowering in Winter Wheat
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蕨类植物桂皮紫萁颈卵器和精子器形态和发育的研究
Study on the morphology and development of the archegonium and antheridium of the fern Osmunda cinnamomea
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方法人工诱捕法和紫外灯诱捕法,同时采用蚊媒集卵器进行蚊幼监测。
Methods Using fly catching manpower and fly catching aster lamps , and mosquito egg collection .
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颈卵器)腹部:颈卵器内含有卵细胞(卵球)而向外膨大的基部。
Venter The swollen base of an archegonium that contains the egg cell ( oosphere ) .
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许多林木树种都有颈卵器,受精以后便产生许多原胚。
Many forest tree species have multiple archegonia which , after fertilization produce a number of proembryos .
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通过雌株末梢的纵切面所现出的几个瓶状的颈卵器,这就是雌性生殖器官。
A similar section through the female plant reveals several bottle-shape archegonia , the female reproductory organs .
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原叶体无毛状体,中脉厚,精子器和颈卵器较大;
The prothallium has no trichome but thick midvein , large antherid and archegonium . However , O.
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将诱蚊诱卵器按野外监测方法布放,并分别在布放的第2、3、4和7天检查诱蚊诱卵阳性数;
Mosq-ovitraps were set under the trees , flowers or brushwood in the field for2,3,4 and7days , for temporal analysis ;
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目的观察诱蚊诱卵器在伊蚊密度较高的沿海地区监测效果,为合理使用及评价诱蚊诱卵器提供依据。
Objective To evaluate the surveillance effect of Mosq-ovitrap to Aedes in the littoral areas with the high mosquito density .
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目的比较诱蚊诱卵器与传统幼虫指数监测结果,分析它们之间的关系。
Objective To compare the results and understand relationship between the mosq-ovitrap method and larval survey for detecting the presence of ;
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方法成蚊调查采用帐诱法、诱蚊灯法和诱蚊诱卵器法,蚊幼调查采用容器法。
Methods Using human baited net trap , light trap and mosq-ovitrap method for adults , and container method for larvae investigation .
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成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成),中央细胞及三个反足细胞。
A mature embryo sac is composed of egg apparatuses ( two synergids and one egg cell ), central cells and three antipodal cells .
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腐叶土基质上的心形原叶体上未见颈卵器的发生,因而其有性繁殖过程不能完成;
In humus soil , cordate prothalli did not bear archegonia , and thus the process of sexual reproduction ofSgrevilleoides could not be finished .
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颈卵器状似长颈烧瓶,由一条细长的颈部和膨大的腹部(内含雌性配子)组成。
It is a multicultural flask-shaped structure made up of a narrow neck and a swollen base ( venter ) that contains the female gamete .
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颈卵器腹颈卵器的隆起的下部,内含卵细胞(苔藓)主干顶端有颈卵器。
The swollen lower portion of an archegonium containing the egg . ( of mosses ) having the archegonia at the top of the stem .
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成熟胚囊中卵器发育正常并分化明显,两极核在胚囊发育后期融合为一次生核;
The development of egg apparatus are normally and differentiate clearly , the two polar nucleus of the central cell fused into a secondary nucleus lately .
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在颈卵器发育的泡沫化阶段,套细胞和中央细胞的接触壁不均匀加厚较为显著,在较薄的区域可见胞间连丝。
During the foam stage of archegonium , the wall between the jacket cells and the central cells became fairly thick and the plasmodesmata present at the thinner area .
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成熟胚囊具5核或6核,即1组卵器、1上极核、合点端的1个或2个退化核。
The mature embryo sac contains 5 or 6 nuclei , including 1 egg , 2 synergids , 1 polar nucleus and 1 or 2 abortive nuclei at the chalazal end .
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(苔藓)主干顶端有颈卵器。颈椎病发生的颈交感干及颈神经后支的解剖学因素观察
( of mosses ) having the archegonia at the top of the stem . Anatomical basis and clinical significance of cervical dorsal rami nerve and cervical sympathetic trunk caused cervical disk diease