| pellicle | <microbiology> The outer covering of a protozoan: the plasma membrane plus underlying reinforcing structures, for example the membrane bounded spaces (alveoli) just below the plasma membrane in ciliates. (18 Nov 1997) |
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| acquired pellicle | A thin film (about 1 um), derived mainly from salivary glycoproteins, which forms over the surface of a cleansed tooth crown when it is exposed to the saliva. Synonym: acquired cuticle, acquired enamel cuticle, brown pellicle, posteruption cuticle. (05 Mar 2000) |
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| brown pellicle | A thin film (about 1 um), derived mainly from salivary glycoproteins, which forms over the surface of a cleansed tooth crown when it is exposed to the saliva. Synonym: acquired cuticle, acquired enamel cuticle, brown pellicle, posteruption cuticle. (05 Mar 2000) |