Sentence examples for an outer envelope from inspiring English sources

The zona is surrounded by an outer envelope, the corona radiata, which is many cell layers thick and formed by follicle cells adhering to the oocyte before it leaves the ovarian follicle.

A second proposition, to have the signatures on proxy ballots written on an outer envelope that can be separated from the ballot, was preferred by a majority of those voting but it was defeated because the "Yes" vote failed to reach the two-thirds majority necessary for an amendment to be adopted.

The virus particle lacks an outer envelope; is spheroidal, about 80 nm (1 nm = 10-9 metre) across; is covered with 252 regularly arranged protein subunits called capsomeres; and has a core of double-stranded deoxyribonucleic acid (DNA) wrapped in a protective coat of protein.

The virions of reoviruses (the name is a shortening of respiratory enteric orphan viruses) lack an outer envelope, appear spheroidal, measure about 70 nanometres (nm; 1 nm = 10-9 metre) across, have two icosahedral capsids, and contain a core of segmented, double-stranded RNA.

The Philadelphia based architectural firm KieranTimberlake which is building the new US embassy in London is designing an "outer envelope" for the building.

So an outer envelope protected the inner envelope.

Through their covalent attachment to peptidoglycan via an arabinogalactan polysaccharide, they provide the basis for an essential outer envelope membrane.

Seeds are sessile, with a thin outer envelope and a distal micropylar tube.

Seeds are sessile, with a thin outer envelope and a distal, hollow micropylar tube, about 0.34 0.75 mm long.

This is a monoclonal antibody capture ELISA kit that detects an antibody response to a LPS outer envelope epitope common to both Leptospira borgpetersenii serovar Hardjo bovis and Leptospira interrogans serovar Hardjo prajitno [22].

These genes, At4g16155 and At4g16160, encode a plastid outer envelope protein, OEP16-S, and a lipoamide dehydrogenase, ptLPD2, also localized to the plastid (in this case the stroma) [ 31].