isometric particle

isometric particle

[¦ī·sə′me·trik ′pärd·ə·kəl]
(virology)
A plant virus particle that appears at first sight to be spherical when viewed in the electron microscope, but which is actually an icosahedron, possessing 20 sides.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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A completely analogous procedure has been applied to isometric particles by Gregorova et al.