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  Indian J Med Microbiol
 

Figure 4: (A) Entire seed, showing the mature and fully differentiated embryo, the endosperm, and the testa (seed coat); (B) Structure of the seed covering layers: Endosperm, a single cell layer; and testa (seed coat), composed of inner and outer integument. Note that the mucilage is generated from the outer testa upon imbibition; (C) Micropylar cap enclosing the radicle tip; (D) Chalazal seed region. Blue light filter (C, D) Differential contrast (D) Size bars are given for each panel

Figure 4: (A) Entire seed, showing the mature and fully differentiated embryo, the endosperm, and the testa (seed coat); (B) Structure of the seed covering layers: Endosperm, a single cell layer; and testa (seed coat), composed of inner and outer integument. Note that the mucilage is generated from the outer testa upon imbibition; (C) Micropylar cap enclosing the radicle tip; (D) Chalazal seed region. Blue light filter (C, D) Differential contrast (D) Size bars are given for each panel