Meaning | The outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals). |
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Category | mammal, mammalian | Any warm-blooded vertebrate having the skin more or less covered with hair |
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Part of | amniote | Any member of the Amniota |
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fetal membrane | Any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus |
Parts | chorionic villus | One of the tiny villi that stick out of the fetal chorion and combine with the mother's uterine tissue to form the placenta |
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Broader | sac | A structure resembling a bag in an animal |
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Spanish | corion |
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Catalan | cori, còrion |
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Adjectives | chorionic | of or relating to a chorion |
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