dichorial twins

a set of twins that had separate chorionic membranes as embryos. They include dizygotic twins as well as monozygotic twins that separate shortly after fertilization. Compare monochorial twins.

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Psychology term of the day

January 29th 2025

range fractionation

range fractionation

a hypothesis of perception of stimulus intensity, stating that a wide range of intensity values can be encoded by a group of cells, each of which is a specialist for a particular range of stimulus intensities.