英语释义

• the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus

• that part of the ovary of a flowering plant where the ovules form

片语

marginal placenta边缘胎座

abruptio placenta胎盘早期剥离

discoid placenta盘状胎盘

endotheliochorial placenta[胚]

retained placenta胎盘滞留

placenta previa前置胎盘；胎盘前置

human placenta人体胎盘素；紫河车

placenta anterior前壁胎盘

basal placenta基底胎座

incarcerated placenta胎盘嵌顿

placenta accreta[妇产] 胎盘增生

LAMB PLACENTA康力士羊胎素

英汉例句

• the placenta is a flattened circular organ in the uterus of pregnant eutherian (i.e. placental) mammals that nourishes and maintains the fetus through the umbilical cord.

  胎盘是在怀孕的真兽类（即有胎盘类）动物的子宫中的一种扁圆形器官，通过脐带滋养和维系胎儿在母体内的生存发育。

• in sheep, though, the gene seems to be involved in establishing the placenta that nourishes the embryo.

  而在绵羊体内，这一基因似乎与滋养胚胎的胎盘的建立有关。

• during subsequent pregnancies the mother「s placenta may deliver the antibodies to the fetus, possibly affecting its development.

  在以后的怀孕中，这种抗体可能会随着胎盘传到胎儿体内，从而对胎儿的成长产生影响。

• the mouse babies were oversized because fat consumed by the mother causes the placenta to provide too many nutrients to the fetus, the study said.

  研究表明，超大型鼠仔是由于母亲消耗的脂肪促使胎盘提供了过多的营养给胎儿而导致的。

• when mammals captured the gene, they used it in the placenta to create a layer of fused cells through which mothers can send nutrients to their embryos.

  当哺乳动物捕获这个基因，利用它在胎盘产生一层融合细胞，通过这层细胞母亲能够将营养物质输送给她们的胚胎。

• if you kept pulling, a little stuffed umbilical cord with a little stuffed placenta followed.

  如果你继续向外拉，会牵出一条填充好的细小脐带，后面连着一块填充好的小胎盘。

• the heavier the placenta during pregnancy, the greater a woman」s risk of breast cancer before menopause, a new swedish study suggests.

  瑞典一项最新研究结果显示，女性在怀孕期间，胎盘越重，其在更年期之前患上乳腺癌的危险就越大。

• scientists agree that dha, naturally transmitted to a fetus through the placenta in the last half of pregnancy, is important, probably to visual and brain development.

  科学家们同意dha在怀孕的后半期会自然地通过胎盘传输给胎儿，可能对视力和大脑发育有好处。

• two arteries and one vein connect the fetus to the placenta re-circulating oxygen-rich blood and nutrients and keeping your blood separate from your baby’s.

  两个动脉和一个静脉把胎儿与胎盘联结在一起，传递富含氧气和营养的血液，并把你的血液与婴儿自己的血液分离开。

• more commonly, lost twins are discovered as tiny mummified attachments to the placenta of the live twin, after it is born.

  更常见的是死去的孪生儿变成了微小的干尸，当存活婴儿出生的时候，附在其胎盘上。

• the use of saccharin is strongly discouraged during pregnancy because it can cross the placenta and may remain in fetal tissues.

  怀孕期间要强烈阻止糖精的食用，因为它可以穿过胎盘并可以积聚在胎儿的体内。

• on the inside, though, the placenta simply cannot shield the womb from all of the man-made chemicals that have, according to the u.s. centers for disease control, collected in our bodies.

  但是根据美国疾病控制中心的研究，胎盘并不能使子宫免受在我们身体中累积的所有人造化学物质的侵害。

• one part will become the placenta the other the embryo.

  一部分将变成胎盘，另一部分则变成胚胎。

• the placenta is fully functional by now carrying nourishment to the embryo and carrying waste away.

  现在胎盘已经完全执行功能了，它把营养带到胚胎，把废物带走。

• but in instances where women are at increased risk of preterm labor or have complications such as placenta previa — where the placenta overlays the cervix — abstinence may be indicated.

  但是如果孕妇有未足月生产的风险或是有例如胎盘前置（胎盘附着于子宫下段或覆盖在子宫颈内口处）的并发癥，那么就有必要节欲了。

• the body has lots of different barriers – blood-brain barrier, the skin, the lining of the gut , the placenta – and it may be that this mechanism works in some of these barriers.

  人体内有许多不同的保护屏障——血脑屏障、皮肤、肠道内壁、胎盘——或许其中某些保护屏障的机制正是如此。