placentas
n.
胎盘，胎座( placenta的名词复数 )；
英英释义
placenta[ plə'sentə ]
n.
that part of the ovary of a flowering plant where the ovules form
the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
词组短语
human placenta人体胎盘素；紫河车
placenta previa前置胎盘；胎盘前置
placenta accreta胎盘增生
双语例句
用作名词(n.)
Earlier studies linked the placenta to the disease.
早期的研究认为，该病与胎盘有关。
Methamphetamine passes through the placenta and is secreted in the breast milk.
甲基苯丙胺通过胎盘分泌在母乳中。
Starch grains present in the embryo sac and placenta are utilized by the embryo.
存在于胚囊和胎座中的淀粉粒为胚胎所利用。
权威例句
Toxic and essential elements in placentas of swedish womenErrors in development of fetuses and placentas from in vitro-produced bovine embryos
Angioarchitecture of monochorionic placentas in relation to the twin-twin transfusion syndrome
Altered global gene expression in first trimester placentas of women destined to develop preeclampsia.
Temporal and spatial patterns of expression of inhibitors of apoptosis in human placentas.
A COMPARATIVE STUDY OF THE FINE STRUCTURE OF THE TROPHOBLAST IN SEVERAL HEMOCHORIAL PLACENTAS.
Distinct subsets of microRNAs are expressed differentially in the human placentas of patients with preeclampsia.
Expression of vascular endothelial growth factor receptors 1, 2 and 3 in placentas from normal and complicated pregnancies
Amino acid (system A) transporter activity in microvillous membrane vesicles from the placentas of appropriate and small for gestati...
Distribution of Polybrominated Diphenyl Ethers in Human Umbilical Cord Serum, Paternal Serum, Maternal Serum, Placentas, and Breast ...
1. They therefore collected and analysed placentas on site in Uganda.
因此，他们在乌干达搜集并分析胎盘。
youdao
2. Without syncytin, mice developed deformed placentas, and their embryos died.
没有合胞体蛋白，老鼠的胎盘畸形生长，胚胎死亡。
youdao
3. Objective: To investigate the effect of passive cigarette smoking on the placentas rats.
目的：检查被动吸烟对孕鼠胎盘的影响。
youdao
4. They compared gene activity in the placentas of healthy pregnant women to those of women with preeclampsia.
他们将健康孕妇胎盘的基因活动与患有子痫前症孕妇胎盘的基因活动进行比对。
youdao
5. To study the relationship between the preterm labor and the cellular proliferation and apoptosis in placentas.
目的研究胎盘绒毛细胞增殖和细胞凋亡与早产的关系。
youdao
6. DNA methylation is a major epigenetic modification and plays a crucial role in embryonic development and placentas 'development.
DNA甲基化是一种主要的表观遗传修饰，对于胚胎发育、胎盘及胎儿的生长具有重要作用。
youdao
7. However, placentas are relatively common specimens and are not examined primarily by specialists in the field, but by general pathologists.
不过，胎盘是相对普通的样品，没被在领域的专家主要检查，而是由一般的病理学家。
youdao
8. Methods 3 cases of acardia were observed with analyses of clinical features, their externalities and the structures of viscera and placentas.
方法对3例无心畸形胎儿的临床表现、外形和内脏结构以及胎盘形态进行观察与分析。
youdao
9. To investigate the distribution pattern of mesenchymal stem cells in human placentas by immunofluorescence staining and immunohistochemical staining.
目的探索间充质干细胞在人胎盘组织中的分布规律。
youdao
10. Objective To explore a stable and mature processing technique of Placenta Drived Anti-HBV Transfer Factor by using the placentas of healthy parturient as raw material.
目的以健康产妇胎盘为原料，探索稳定成熟的制备工艺。
youdao
11. They found methylation defects on several human genes in the cord blood and placentas of ART embryos, suggesting that a similar effect might be occurring in humans as well.
他们发现甲基化作用在某些脐带血和ART胚胎里的人类基因上会产生缺陷，这就意味着一种相似的症状或许也会在人类身上发生。
youdao
12. Methods 24 placentas were obtained from healthy full term parturients within 5 min after vaginal or cesarean section delivery. The dual perfused human placental models were made.
方法获取刚娩出的健康胎盘24个，制备离体人胎盘单绒毛叶双侧灌注模型。
youdao
13. In addition, more information about the cause of monozygotic twins could be collected in the future by a straightforward check of the Numbers of placentas and sacs when the babies are born.
另外，将来有关单卵双胞胎原因更多的信息可以直接通过出生后核对胎盘和羊膜囊的数目来获得。
youdao
14. Deep in a valley where Peru's snow-capped Andes melt into Amazon jungle, Wilder Diaz Angulo cuts open a football-sized cocoa pod and separates precious brown beans from their fleshy white placentas.
此地位于秘鲁一座山谷的深处，安第斯山脉雪冠融化的雪水经此流入亚马逊丛林。当地人维德尔·迪亚兹·安古洛切开一个足球大小的可可果，将珍贵的棕色籽实从白色的果肉中分离出来。
youdao
15. Deep in a valley where Peru's snow-capped Andes melt into Amazon jungle, Wilder Diaz Angulo cuts open a football-sized cocoa pod and separates precious brown beans from their fleshy white placentas.
此地位于秘鲁一座山谷的深处，安第斯山脉雪冠融化的雪水经此流入亚马逊丛林。当地人维德尔·迪亚兹·安古洛切开一个足球大小的可可果，将珍贵的棕色籽实从白色的果肉中分离出来。
youdao
placentas
