amniotic sac
ریشه و کاربرد
ریشه
Derived from Greek 'amnion' meaning 'membrane around a fetus', and 'sac' from French 'sac'.
مثال
- The amniotic sac ruptures during labor.
- The fetus develops inside the amniotic sac.
- The amniotic sac is filled with amniotic fluid.
ترکیبهای رایج
rupture the amniotic sac intact amniotic sac amniotic sac breaks
تعریف انگلیسی
noun
- thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)