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单词 embryotroph
释义

WordReference Random House Unabridged Dictionary of American English © 2024
em•bry•o•troph  (embrē ə trof′, -trôf′),USA pronunciation n. [Embryol.]
  1. Developmental Biologythe nutrient material, composed chiefly of secretions from the uterine glands, degenerating uterine tissue, and substances in the maternal blood, that nourishes a mammalian embryo prior to the formation of the placenta. Cf. hemotroph.
  • French; see embryo-, hemotroph
em•bry•o•troph•ic  (em′brē ə trofik, -trōfik),USA pronunciation adj.  em•bry•ot•ro•phy  (em′brē otrə fē),USA pronunciation n. 
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