| IMP | idiopathic myeloid proliferation; impression; incomplete male pseudohermaphroditism; individual Medi... |
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| IPP | independent practice plan; individual patient profile; inflatable penile prosthesis; inorganic pyrop... |
| LAI | latex particle agglutination inhibition; leukocyte adherence inhibition |
| LECP | low-energy charged particle |
| LPA | latex particle agglutination; left pulmonary artery; lysophosphatidic acid |
| intramembranous particle | <cell biology> Particles (or complementary pits) seen in freeze fractured membranes. The cleavage plane is through the centre of the bilayer and the particles are usually assumed to represent Integral membrane proteins (or polymers of such proteins). (18 Nov 1997) |
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| either particle flux density | The particle fluence rate, or energy flux density, the energy fluence rate of intensity. Compare: fluence. (05 Mar 2000) |
| trapped-particle instability | <radiobiology> Slowly-growing class of instabilities driven by particles which cannot circulate freely in a toroidal system. See: banana orbit. (09 Oct 1997) |
| kappa particle | <microbiology> Gram-negative bacterial endosymbiont of Paramoecium spp., (Caedobacter taeniospiralis) that confers the killer trait, infected Paramoecium are resistant to the toxin liberated by infected forms. Killing activity is associated with the induction of defective phage in the endosymbiont, leading to the release of R bodies, coded for by the phage genome and apparently of mis assembled phage coat protein. (18 Nov 1997) |