Pellicle

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pellicle [′pel·ə·kəl]

(cell and molecular biology)

A plasma membrane.

(invertebrate zoology)

A thin protective membrane, as on certain protozoans.

Pellicle

a condensed layer of cytoplasm on the body surface of many protozoans, such as flagellates and infusorians. It is sometimes thin and elastic and does not inhibit change in body shape. In other cases, it is solid and defines a constant body shape. The exterior of the pellicle is often sculptured, with denticles, papillae, ridges, or other formations. Study of the pellicle’s ultrastructure in the electron microscope shows that the pellicle is usually composed of two separated layers. Each layer, in turn, consists of two membranes, with a less dense, narrow fissure between them.

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No references found			This certainly would be the case, were it not that the young fruit, encased in a soft green husk, with the incipient meat adhering in a jelly-like pellicle to its sides, and containing a bumper of the most delicious nectar, is what they chiefly prize. Typee by Melville, Herman View in context We are acquainted with a mere pellicle of the globe on which we live. Walden & on the Duty of Civil Disobedience by Thoreau, Henry David View in context I should wish also that such persons were carefully shown the eleven pellicles which, like so many small valves, open and shut the four orifices that are in these two cavities, viz. Reason For Discourse by Descartes, Rene View in context			Pell's Equation pell-mell structure Pella Pellagra Pellan, Alfred Pelleas Pelléas and Mélisande Pelleas, Sir Pellet pellet cooler pellet fusion pellet mill pellet molding pellet technique Pelletier Pelletier, Pierre Joseph pelletierine pelleting Pelleting of Seeds Pelletization Pelletized Feeds pelletizer pelletron Pellets Pelli, César Pellicle Pellico, Silvio pellicular resins pellicular water pellicularia disease Pelliot, Paul pellodite pellotine pellucid Pelly Pelmatozoa pelmet pelmet board pelmet lighting pelmicrite Pelnar, Josef Pelnár, Josef Pelobatidae pelodite Pelodytes Pelodytidae pelogloea Pelogonidae Pelomedusidae Pelonemataceae Pelopidae			Pelletier Pelletier Pelletier Pelletier, Pierre Joseph Pelletier, Pierre-Joseph Pelletier, Pierre-Joseph pelletierine pelleting pelleting pelleting Pelleting of Seeds Pelletise Pelletization pelletize Pelletized Feeds pelletizer Pelletizing Pelletron pellets pellets pellets Pelli, César Pellian equation Pellibranchiata Pellican Pellican Pellican Pellican crossing Pellican crossing pellicere Pellicle pellicles pellicles pellicles Pellico, Silvio pellicular pellicular pellicular pellicular resins pellicular water Pellicularia pellicularia disease Pellicularia filamentosa Pellicularia koleroga Pelligrini-Steida disease Pellile Pelliot, Paul Pellissippi Genealogical and Historical Society Pellissippi State Technical Community College pellitories pellitory Pellitory of the Wall pellitory-of-Spain pellitory-of-the-wall pellmell pellodite pellotine Pells equation Pellston, MI, USA - Pellston Regional Airport

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Pellicle