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Pellicle (biology), a thin layer supporting the cell membrane in various protozoa; Pellicle mirror, a thin plastic membrane which may be used as a beam splitter or protective cover in optical systems; Pellicle (dental), the thin layer of salivary glycoproteins deposited on the teeth of many species through normal biologic processes
A pellicle is a skin or coating of proteins or cellulose on the surface of meat (e.g. smoked salmon) or fermented beverages (e.g. Kombucha). Pellicles of protein that form prior to smoking meat (including fish and poultry ) allow smoke to better adhere to the surface of the meat during the smoking process.
The dental pellicle, or acquired pellicle, is a protein film that forms on the surface enamel, dentin, artificial crowns, and bridges by selective binding of glycoproteins from saliva that prevents continuous deposition of salivary calcium phosphate. It forms in seconds after a tooth is cleaned, or after chewing.
The pellicle gives shape to the cell, especially during locomotion. Pellicles of protozoan organisms vary from flexible and elastic to fairly rigid. In ciliates and Apicomplexa, the pellicle includes a layer of closely packed vesicles called alveoli. In euglenids, the pellicle is formed from protein strips arranged spirally along the length of ...
A pellicle mirror is an ultra-thin, ultra-lightweight semi-transparent mirror employed in the light path of an optical instrument, splitting the light beam into two separate beams, both of reduced light intensity. Splitting the beam allows its use for multiple purposes simultaneously.
An acquired pellicle is a layer of saliva that is composed of mainly glycoproteins and forms shortly after cleaning of the teeth or exposure of new teeth. [7] Bacteria then attach to the pellicle layer, form micro-colonies, and mature on the tooth, which can result in oral diseases.
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The pellicle is composed of proteinaceous strips underneath the cell membrane, supported by dorsal and ventral microtubules. This varies from rigid to flexible, and gives the cell its shape, often giving it distinctive striations.