What is the function of filiform apparatus?

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(B) The filiform apparatus is a specialized cellular thickening present at the micropylar end of the synergid cells in the embryo sac of angiosperms.I

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Guiding the entry of pollen tube into the synergid

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(B) The filiform apparatus is a specialized cellular thickening present at the micropylar end of the synergid cells in the embryo sac of angiosperms.Its primary function is to secrete chemical substances that guide the pollen tube into the synergid cell during the process of fertilization.Therefore,it plays a crucial role in pollen-pistil interaction.

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