Stage I of both male and female stone flounder appears only once in all its life, and the germ cells are comprised by spermatogonia or oogonia. The gonad from Mar to Aug keeps at stage II. The gonad index of testis at this stage is 0.037%, and the amount of spermatogonia is increased quickly. There is some linear germ plasm in the cytoplasm of spermatogina. In ovary at this stage it is mostly composed by oocyte of phase 2 which the character is the appearance of yolk nucleus, and no zona radiate in membrane. The mean GI of ovary is 1.95%. From Sep to Oct gonad is at stage III which testis is composed by lots of spermatogina and few spermatocytes, and the mean GI of testis at this stage is 0.086%. In ovary the ooctyes at phase 3 are in dominate position, the yolk nucleus disappear. And the GI of this stage is 3.35%. Both testis and ovary are at stage IV in Nov. hi testis the germ cells are in spermiogenesis, and the mean GI is 0.93%. hi ovary the oocytes are mostly at phase 4, which are filled in the cytoplasm with vitellin granule, and the zona radiate in membrane begins to formation. Nucleus moves to one side of the oocyte gradually. The mean GI of ovary at this stage is 9.37%.

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The target effection of treating ovulatory obstacle is exact.This method has a ovulated rate and higher pregnancy rate.

中藥離子導入具有顯著的促排卵作用午夜摸一摸A片，其治療排卵障礙的靶向作用確切亚洲免费的中文小说图片，排卵率及受孕率高。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我們猜測卵母細胞在不含丙酮酸的條件下老化的更快欧美一级日逼视频，并且卵丘細胞可能通過消耗不含葡萄糖的CZB中的丙酮酸從而促進卵母細胞老化美女自慰喷水黄色网站。

It shows that the average thickness of the surface layer of crystals,the palisade and cone layer and the eggshell membrane are 20.8,220.8 and 62.5μm,respectively,which accounting for 6.8%,72.6% and 20.6% of the total thickness of the eggshell.There are many vesicular holes in palisade layer with an average diameter of(0.32±0.08)μm(n=30).The function of such holes may be of significant to air exchange.The shape of eggshell pore on the surface layer of crystals is round or ellipsis.The fracture surface of the pore is funnel-shaped.

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When oocytes were matured at 37-39℃,the appearance of cumulus cell had protective effect on cleavage and blastocyst rate,the development rate of DOs significantly decreased compared to COCs.

當卵母細胞在37-39℃成熟培養(yǎng)時性爱欧美，卵丘細胞對卵母細胞的發(fā)育有一定的保護作用，DOs的發(fā)育能力顯著低于COCs欧美黄色老女人。

The heritability of maxillary arch length (71.26%) was higher than the mandibular one (31.33%). The intraclass correlation coefficients were similar in dental crowding between MZ and DZ, with the lower in DZ. Low heritability of dental crowding was found in both maxillary (4.73%) and mandibular (10.3%) teeth. Conclusion The maxillary teeth MD, the mandibular teeth MD and the length of maxillary dental arch are controlled under strong genetic factors.

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Methods: 86 cases of patients with pcos undergoing ovarian stimulation were randomly divided into letrozole group (40 cases) and clomiphene critate group (46 cases).

目的：比較兩種促排卵方案用于多囊卵巢綜合征不孕患者的促排卵及妊娠結(jié)局久久精品国产高潮AV，旨在尋找一種新的促排卵藥物在线黄网站。

GIFT is again the removal of the oocyte from the ovary, but instead of fertilization outside the body, the egg and sperm are mixed together, placed into the fallopian tube, where fertilization and embryo development take place (this is where the sperm and egg normally meet).

GIFT也是從卵巢取出卵母細胞，但是并不是在體外進行受精黑人AAAAAAAA片免费，而是將卵和精子混合在一起91精品人妻综合导航，送回到輸卵管，受精和胚胎發(fā)育是在那里進行的（這就是正常情況下卵和精子相遇的地方）18禁午夜老色批福利院。

Among these factors the effects of the Atlantic subtropical high on locusts occurrence are mainly caused by ground surface temperature that is affected by the Atlantic subtropical high in autumn and winter when the locusts live through and incubate; Therefore the occurrence, the development and the harmfulness of the locust as well as its amount of eggs and imagos are impacted.

其中大西洋副熱帶高壓對我國東亞飛蝗發(fā)生的影響主要是由于影響了秋冬季節(jié)蝗卵孵化和越冬期間的地面溫度成年人的免费在线视频，從而影響了蝗卵基數(shù)和蝗卵孵化為成蟲的數(shù)量，進而影響著我國東亞飛蝗發(fā)生日本公妇在线视频、發(fā)展黄色视频在线观看免费AAA、危害情況的變化。

The sixth, there were no significantly differences between colchicine groupsand vinblastine groups on the metaphases, in the experiment of prepare mouse4-cell embryo stage single blastomere chromosome specimen by using optimumparameters; and there were significantly differences between colchicine groupsand vinblastine groups on the metaphases (P＜0.05), in the experiment of preparemouse 8-cell embryo stage single blastomere chromosome specimen by usingoptimum parameters.The end, the preparation quality of mouse 4-and 8-cell embryo stage singleblastomere specimen were 2.5, 2.7, 2.4, 1.9, respectively.

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