placenta background

placenta

/pləˈsɛntə/

Illustration placenta - Image 1

Illustration placenta - Image 2

noun

胎盘，胞衣

A vascular organ in mammals, except monotremes and marsupials, present only in the female during gestation. It supplies food and oxygen from the mother to the foetus, and passes back waste. It is implanted in the wall of the uterus and links to the foetus through the umbilical cord. It is expelled after birth.

Examples :

"The doctor examined the placenta after the baby was born to make sure it was healthy and complete. "

医生在婴儿出生后检查了胎盘，确保它健康且完整，因为它负责在怀孕期间给宝宝提供营养。

medicine physiology organ anatomy biology body human animal sex

Illustration placenta - Image 1

noun

胎盘

It is an endocrine gland which secret human chorionic gonadotropin hormone.The HCG if detected in woman's urine then the pregnancy is confirmed.

Examples :

"The doctor said the placenta produces hormones, including human chorionic gonadotropin (hCG), which can be tested to confirm a pregnancy. "

医生说胎盘会产生激素，包括人绒毛膜促性腺激素（hCG），这种激素可以用来检测，从而确认是否怀孕。

organ physiology medicine anatomy biology biochemistry body human

Illustration placenta - Image 1

Illustration placenta - Image 2

noun

胎盘，胞衣

In flowering plants, the part of the ovary where ovules develop; in non-flowering plants where the spores develop.

Examples :

"The plant's placenta supports the development of its tiny seeds inside the flower. "

植物的胎座支撑着花朵内部微小种子的发育。

biology plant organ anatomy