- histotroph
- The part of the nutrition of the embryo derived from cellular sources other than blood. Cf.:embryotroph, hemotroph.
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his·to·troph (hisґto-trōf) [histo- + Gr. trophē nourishment] in viviparous animals such as mammals, the totality of nutritive substances supplied to the embryo from sources other than the mother's blood. Cf. embryotroph and hemotroph.
Medical dictionary. 2011.