A human fetus has fingerprints after three months.
人类胚胎在三个月大时就有指纹了。
Objective: To explore the process of genesis and development of long bone of human fetus.
目的探讨人胚胎长骨的发生及发育过程。
Objective: to explore the rule of development of NOS positive neurons in tongue of human fetus.
目的：探讨人胎舌内NOS阳性神经元的发育规律。
Objective To explore the law of the development about NOS positive neurons in the small intestine of human fetus.
方法用免疫组织化学法对人胎小肠NOS阳性神经元的表达进行观察。
Objective: to observe the expression of epidermal growth factor (EGF) in lens epithelial cells (LECs) of human fetus.
前言：目的：观察表皮生长因子(EGF)在人胎儿晶状体上皮细胞的表达。
Objective: To screen out the optimal condition for cryopreservation of the cerebral cortical cells in the human fetus.
目的：筛选人胎大脑皮质细胞冷冻保存的适宜条件。
Methods The ultrastructural feature of the rhomboid fossa in human fetus were examined by scanning electron microscopy.
方法用扫描电镜的方法观察了人胎儿菱形窝室管膜的超微结构。
It was showed that the neuron density during the growing period of human fetus decreased as the illinear form, especially 6 month.
结果显示：锥体层神经细胞密度随胎龄增长呈非直线型下降，尤以6月龄组下降最为明显；
Methods: The expression of NOS positive cell in the gastric mucous of human fetus was observed by using immunohistochemical method.
用免疫组织化学法对人胎胃粘膜NOS阳性细胞的表达进行观察。
Methods The positive expression of the NOS-positive neurons in the frontal lobe of cerebrum of human fetus was observed by immunohistochemistry.
方法 采用免疫组织化学方法对人胎大脑额叶NOS阳性神经元的发育进行观察。
It has been known for about a decade that cells from a human fetus can remain in its mother's blood and bone marrow for many years. But what do they do?
大约10年前我们就知道，人的胎儿的细胞在很多年后依然可以在其母亲的血液和骨髓中发现，但他们有什么作用呢？
The results indicated that the IAPP was expressed in the trachea epithelium of human fetus and the IAPP-IR cells varied along with the development of fetus.
本研究表明，人胎儿期气管上皮细胞内有IAPP的表达；且IAPP - IR细胞随胎期的发育而发生变化。
Abstract:Objective To explore the development regularity of nitire oxide synthase(NOS) positive neurons in the lobus frontalis of the cerebrum of human fetus.
摘 要：目的：探讨人胎大脑额叶一氧化氮合酶（NOS）阳性神经元发育的规律。
Objective: To explore the expression of nitric oxide synthase (NOS) in the embryological development and its positive expression in the taste glands of human fetus.
目的：探讨人胎儿味腺发育与一氧化氮合酶(NOS)阳性表达的规律。
Compared to most mammals, human females give birth to a fetus, and it stays helpless a very long time.
与大多数哺乳动物相比，人类女性生育和保持胎儿处于无助的幼年期的时间更长。
"The 200 other chemicals that are known to be toxic to the human brain are not regulated to prevent adverse effects on the fetus or a small child," he added.
“200种其他的化学物质，已知它们对人类大脑有害，却没有得到规范管理以防止对胎儿和幼童产生不良影响”他补充说。
Methods: Serial histological sections of 45 human embryos and fetus were performed to observe the development and organization of the contents of the compartment.
方法：对45例不同胚(胎)龄时期的鞍旁结构行组织学连续切片，观察鞍侧腔壁结构及其内容物的形态学变化过程。
When human females are pregnant, they're advised to stay away from alcohol, for fear of harming the fetus.
当人类女性怀孕时，人们就会建议她们戒酒，以免伤害胎儿。
It suggested that the LDL receptor in human fetal liver may play a key role in the regulation of the serum cholesterol levels in the fetus during gestation.
这一结果提示，在胎儿发育过程中，肝脏ldl受体对血胆固醇水平调节起着关键的作用。
After growing for eight weeks, the embryo looks more like a tiny human and becomes known as a fetus which in Latin means offspring.
生长八周之后，现在的胚胎看起来更加像一个小人儿了，这个时候的胚胎已经可以称为胎儿，拉丁语就是子孙的意思。
After growing for eight weeks, the embryo looks more like a tiny human and becomes known as a fetus which in Latin means offspring.
生长八周之后，现在的胚胎看起来更加像一个小人儿了，这个时候的胚胎已经可以称为胎儿，拉丁语就是子孙的意思。
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