aplacental的意思是胎盘的。
在英文范文中的用法，例如：Aplacentalcordis is a condition in which the umbilical cord directly attaches to the heart and may cause heart failure and other problems for the baby. （脐带直接附着在心脏上的胎盘心脏综合症，可能导致婴儿心力衰竭和其他问题）。
aplacental的意思是无胎盘，指胎盘没有完全或没有与子宫壁分离。
无胎盘（placenta previa）是胎盘早期剥离的一种特殊类型，临床比较少见，是指胎盘部分或全部未附着在子宫壁上，导致胎儿出生后胎盘仍然附着在子宫上。
以上内容仅供参考，建议阅读相关专业书籍，获取更准确的信息。
aplacental的意思是胎盘的。
以下是一篇范文，供您参考：
Aplacental miscarriage is a type of early pregnancy loss that occurs when the placenta fails to develop properly and the pregnancy tissue detaches from the uterine wall. This condition is also known as a partial or complete missed abortion. Aplacental abruption is a condition in which the placenta attaches too early or attaches in such a way that it begins to separate from the uterine wall, causing bleeding and other complications.
希望以上信息对您有所帮助。