胎盘

Monotremes and marsupials are aplacental mammals .

类动物和有袋动物是无胎盘哺乳动物。

Monotremes and marsupials are aplacental mammals .

单孔和是无胎盘的哺乳动物。

Monotremes and marsupials are aplacental mammals.

单孔类动物和有袋动物是无胎盘的哺乳动物。

Monotremes and marsupials are aplacental mammals .

单孔类和是无胎盘的哺乳动物。

Monotremes and marsupials are aplacental mammals .

类动物和有袋动物是无胎盘的哺乳动物。

Monotremes and marsupials are aplacental mammals .

单孔动物和动物是无胎盘的哺乳动物。

PLGF can promote pathological angiogenesis, arteriogenesis, branch formation and hemopoietic progenitor cell mobilization.

胎盘源性生长因子具有促进病理性血管新生、动脉生成及侧支生成、造血祖细胞动员的功能。

Methods: A dual-chamber culture system was prepared. Porcine ovarian follicles were divided into healthy and atretic groups. Granulosa and thecal cells were isolated, and cultured with gonadotropin in the dual-chamber system. After 48 hours, angiotensin II, renin activity, estrodiol(E2), progesterone and testosterone in the media were determined by radioimmunoassay.

制备人胎盘羊膜双池培养系统，分离了猪卵巢颗粒细胞和卵泡膜细胞，并分为健康和闭锁两组，在促性腺激素刺激下协同培养。48 h后应用放射免疫测定法测定两种细胞培养液中的血管紧张素II、肾素活性、雌二醇(E2)、孕酮以及睾酮水平。

Methods Eight bigeminal pregnant ewes in latter 2nd-trimester and 3rd-trimester were taken into the research of fetal cardiac intervention. Under continuous ultrasound guidance, advanced an cannula and stylet needle through the maternal abdomen, uterine wall, and fetal lamb chest wall and into the fetal LV, then imitate human balloon aortic valvuloplasty at valve ring level.

以8只中后期双胎妊娠黑山羊为研究对象，在超声引导下经皮/子宫穿刺胎羊左心室，并在主动脉瓣水平模拟人类主动脉瓣球囊扩张术，从而建立胎儿宫内心脏介入手术动物模型，从动物准备、术中胎羊体位、穿刺部位选择、介入技术要领、超声使用、胎羊保温、胎盘脐带保护等方面进行探讨总结。

I am now 36 weeks pregnant, today went to the hospital to do B-, B Value show baby biparietal diameter 9.4cm, femur length 6.5cm,, placenta 2, the doctor said that I fetus too, the first large, I am worried that I would like to ask whether it is normal for my baby, 32 weeks for biparietal diameter 8.5CM, is growing too fast?

我现在是怀孕36周，今天去医院做B超，B超值显示宝宝双顶径9.4cm，股骨长6.5cm，，胎盘2级，医生说我的胎儿偏大，头大，我很担心，请问我的宝宝是否正常，32周时双顶径为8.5CM，是否增长过快？

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。