The placenta is attached to the developing seed near the Hilum. The hilum is a scar on the
seed coat through which the developing seeds were attached to the fruit.
Above the hilum is a small pore called the micropyle.
The outer layer of the seed coat is called testa.
Chalaza is a tissue where nucellus and integument are joined. Nutrients from the plant travel through vascular tissue in the funiculus and outer integuments through the chalaza into the nucellus.
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