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Thin protective membrane in some protozoa
Answer for the clue "Thin protective membrane in some protozoa ", 8 letters:
pellicle
Alternative clues for the word pellicle
Word definitions for pellicle in dictionaries
Wiktionary
Word definitions in Wiktionary
n. 1 A thin skin or film. 2 cuticle, the hard protective outer layer of certain life forms. 3 The skin of a mushroom cap. 4 The growth on the surface of a liquid culture. 5 The photosensitive emulsion of photographic film. 6 (context optics English) A thin ...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1540s, from Middle French pellicle (Modern French pellicule ), from Latin pellicula "small or thin skin," diminutive of pellis "skin, leather, parchment, hide" (see film (n.)). Related: Pellicular .
Wikipedia
Word definitions in Wikipedia
Pellicle may refer to: 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 ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Pellicle \Pel"li*cle\, n. [L. pellicula, dim. of pellis skin: cf. F. pellicule.] A thin skin or film. (Chem.) A thin film formed on the surface of an evaporating solution.
WordNet
Word definitions in WordNet
n. thin protective membrane in some protozoa
Usage examples of pellicle.
The edges were obtuse, the caps fleshy, then corky, smooth, the upper ends not regular, oblique in the form of an umbo or little knob, the pellicles or outside layers thin and easily separated.
Four Para grouped themselves about the amber sphere, and there was a subdued explosion as the trichocysts which lay embedded at the bases of their cilia, just under the pellicle, burst and cast fine lines of a quickly solidifying liquid into the water.
Para grouped themselves about the amber sphere, and there was a subdued explosion as the trichocysts which lay embedded at the bases of their cilia, just under the pellicle, burst and cast fine lines of a quickly solidifying liquid into the water.
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.
Nor do we need to seek any other reason for the number of these pellicles beyond this that the orifice of the venous artery being of an oval shape from the nature of its situation, can be adequately closed with two, whereas the others being round are more conveniently closed with three.
This physician likewise abundantly establishes what he has advanced respecting the motion of the blood, from the existence of certain pellicles, so disposed in various places along the course of the veins, in the manner of small valves, as not to permit the blood to pass from the middle of the body towards the extremities, but only to return from the extremities to the heart.