What is filiform apparatus..??
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Answer:
The synergid cell wall forming an extremely thick structure at the micropylar end is called the filiform apparatus. It bears several finger-like projections into the structure of synergid cytoplasm. The function of filiform apparatus is to guide entry of pollen tube and release of sperm cells.
Explanation:
: a prolongation of the synergids beyond the summit of the embryo sac.