viral envelope

(redirected from Envelope (biology))
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vi·ral en·ve·lope

the outer structure or coat that encloses the nucleocapsids of some viruses that mature by budding through the membrane cell; may contain lipoprotein.

vi·ral en·ve·lope

(vī'răl en'vĕ-lōp)
The outer structure that encloses the nucleocapsids of some viruses; may contain host material.