placentas是placenta的复数
placenta
美 [plə'sentə]
英 [plə'sentə]
- n.【解】胎盘；【植】胎座
复数：placentas
n. | 1. 〔植〕胎座 2. 胞衣 3. 【解剖学】胎盘;【植物;植物学】胎座 |
n. | 1. a vascular organ that develops inside the uterus of most pregnant mammals to supply food and oxygen to the fetus through the umbilical cord. 2. the part of the ovary in a flowering plant that bears ovules 3. the tissue in a nonflowering plant where the sporangia or spores develop 4. the organ through which a baby is connected to its mother’s blood supply in her womb before birth 1. a vascular organ that develops inside the uterus of most pregnant mammals to supply food and oxygen to the fetus through the umbilical cord. 2. the part of the ovary in a flowering plant that bears ovules 3. the tissue in a nonflowering plant where the sporangia or spores develop 4. the organ through which a baby is connected to its mother’s blood supply in her womb before birth |