| plantago ovata coating | The separated outer mucilaginous layers of Plantago ovata seeds; used in simple constipation associated with lack of sufficient bulk. (05 Mar 2000) |
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| plantago | Three different species of plantago or plantain, p. Psyllium, p. Ovata and p. Indica. The seeds swell in water and are used as laxatives. (12 Dec 1998) |
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| plantago seed | The cleaned, dried ripe seed of Plantago indica or of P. Ovata. A mild cathartic that acts by absorbing water and providing indigestible mucilaginous bulk for the intestines. Must not be used in intestinal obstruction. Synonym: plantago seed, plantain seed. (05 Mar 2000) |
| antireflection coating | A film of magnesium fluoride spread on a lens to minimise reflections. (05 Mar 2000) |
| membrane-coating granule | A membrane-bound granule, 100 to 500 nm in diameter, located in the upper layers of the stratum spinosum of certain stratified squamous epithelia. Synonym: lamellar granule, membrane-coating granule, Odland body. (05 Mar 2000) |
| coating | A covering; a layer of some substance spread over a surface. (05 Mar 2000) |
| enteric coating | A coating put on a capsule or pill so that it does not dissolve until itreaches the small intestine. (09 Oct 1997) |