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Medical Term:

cotyledon

Pronunciation: kot'i-le'don

Definition:

  1. In plants, a seed leaf, the first leaf to grow from a seed.
  2. A placental unit.

See: maternal cotyledon, fetal cotyledon

[G. kotyledon, any cup-shaped hollow]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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