A haploid cell that results from the meiotic division of an oocyte and becomes a female gamete or an ovum .

同卵雙生的從同一受精卵中產生的亚洲一区二区三区四区看片在线播放，具有相同基因結構和相似外貌的孿生子的；單卵的

Nutlets dorsiventrally compressed, ovate, ca. 6 mm, abaxially discoid with glochids; attachment scar above middle adaxially, ovate, firmly coherent to gynobase.

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The treatment with temperature at 32℃ and soil water content at 11% is the most favorable to eggs' growth and development. Under this condition, its developmental rate is 0.045455 and hatchability reaches to 99.0%.

溫度為32℃东北乱伦视频、土壤含水量11％的處理最有利于卵的生長發(fā)育20内精品久久久久精品，在該條件下，卵的發(fā)育速率為0.045455国产美女高潮视频一区，孵化率達到99.0％a一级毛片久久免费。

Hepatica. Sequencing analysis showed that the gene, like that of other eggshell protein of schistosoma, has no introns.

通過從血吸蟲基因組DNA中克隆該基因并進行測序分析發(fā)現該基因同其他血吸蟲卵殼蛋白基因一樣沒有內含子，這可能有利于卵殼前體蛋白的迅速和大量形成国产精品久久免费。

Dorsal and intermediate fruit ribs slightly thickened, corky, or somewhat protruding, filiform; leaves homomorphic or heteromorphic, ultimate segments linear, lanceolate, rarely ovate or rhombic-ovate, smaller, 1–3 × 0.5–1 cm.

背側和中間果棱稍加厚国产三级AV大黄，木栓質，或有點突出最新黄色网站在线观看，絲狀国产zipai；葉同形或異形，線形的末回裂片九一国产精品网站，亚洲欧美另类在线网址，很少卵形，小的卵形或菱形亚洲国产黄色视频， 1-3 * 0.5-1 厘米 2

Abstract］ Background and purpose:The imaging of the skull base is challenging in nasopharyngeal carcinoma, through studying visualization and the appearance of foramen ovale,foramen rotundum,foramen spinosum,hypoglossal canal and nerve which can be identified on registration of CT and MRI for nasopharyngeal carcinoma, in order to define the target volume of nasopharyngeal carcinoma in radiotherapy planning.

為明確MRI對鼻咽癌顱底區(qū)域靶區(qū)顯示的情況欧美A区福利在线，分析無顱神經侵犯鼻咽癌患者的CT、MRI性交AAAAA片在线看，比較圓孔色伊人国产在线等李杰、卵圓孔、棘孔欧美日韩福利视频一区、舌下神經管及舌下神經CT性爱一级、MRI的顯示情況和影像表現，探討圓孔欧美久久黄色网站、卵圓孔及棘孔美国性生活黄片视频、舌下神經管及舌下神經在鼻咽癌放射治療靶區(qū)勾畫的意義。

The Ca〓 oscillations occured before GVBD were associated with the resumption of GVBD, because when the oocyte was cultured in medium with hypoxanthine, no Ca〓 oscillation occurred, without hypoxanthine the oscillations occured again.

這些Ca〓波動與卵母細胞的GVBD有關欧美老妇大乳大屁股操逼视频，被次黃嘌呤抑制于GV階段的卵母細胞不出現這種形式的波動欧美性XXⅩXX，當再次培養(yǎng)于無次黃嘌呤的培養(yǎng)液中則又出現Ca〓的波動。

First, the German cockroach has a larger number of eggs per capsule than the other species that infest structures.

首先超碰在线88二区，德國小蠊在生殖結構上欧美熟妇激情视频在线播放，它的每個卵莢含有的卵比其它物種要多得多。

Postmortem examination of the hearts of 500 Chinese with age ranging from new born to 70, revealed defects in the interatrial septum in the form of cleft , hole or short canal in 51% of the cases.

作者觀察了中國人新生兒到70歲的心臟標本500例：找到由於卵圓孔閉鎖不全日屄视频自拍特写，卵圓窩區(qū)存在缺陷的標本51％人人爽人人操人人爱。依據缺陷的形狀，可區(qū)分爲孔www在线MM视频网站、縫和管三種欧美69xxxxx。

Using this scheme, we successfully produced a triple recessive line for genes ch, nlw (non-lepis wing) and b-t on the 13th linkage group and a double recessive line for genes nb and ki-2 (kidney-shaped egg 2) on the 19th linkage group of Bombyx mori.

采用所設計的方案，成功培育了家蠶第13連鎖群的赤蟻欧美黄色视频免费播放、無鱗毛翅和褐色卵t (b-tA片欧美日韩一区二区高清，母性影響遺傳)的三隱性系統(tǒng)性爱人人操欧美，并培育了第19連鎖群的狹胸和第二腎形卵(ki-2，母性影響遺傳破处流血视频，待定位突變基因)的雙隱性系統(tǒng)久久精品黄色片一级片。