助细胞的丝状器在不同发育时期形态及大小不同；
The morphology and size of the filiform apparatus change with the development period of the synergids.
迁移细胞表面有众多丝状伪足。
The surface of migration cells exhibited numerous filopodia.
构成结缔组织的细胞外基质的丝状体之一。
Any of the filaments constituting the extracellular matrix of connective tissue.
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