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109 results
  • Human colon cancer cells in culture. Colon cancer is the third most common cancer in Britain. People are more likely to develop this cancer if they eat a diet high in animal fats.
  • Seed head of a thuja tree. This plant has natural antimicrobial properties and is used in a variety of preparations for wart removal, thrush, and ringworm.
  • Microparticle drug delivery
  • Kidney stone crystals
  • Gold nanoparticles
  • Liposomes
  • Honeybee
  • Peony pollen grain
  • Dust mite
  • Human embryonic stem cell (gold) growing on a layer of supporting cells (fibroblasts). Stem cells are derived from very early embryos and can either be grown to stay in their original state or triggered to form almost any type of human cell. The fibroblasts provide special factors that maintain the stem cells in their original state. The stem cell appears to be grasped by the underlying fibroblast. Stem cell research could lead to cures for many diseases such as Parkinson's disease, Alzheimer's and diabetes, where a patient's cells are damaged or absent.
  • Morphine crystals
  • Threadworms (Enterobius vermicularis) in the villi of the gut
  • A mitochondrion
  • Sildenafil, the active ingredient in Viagra
  • Cyclamen pollen
  • A diatom frustule
  • Human colon cancer cells
  • Plankton; a diatom frustule
  • Rust on rose leaf
  • Carthamus pollen
  • Skin cancer cell
  • Adenovirus particles
  • Aspirin crystals
  • Vespula vulgaris (common wasp)
  • Microparticle drug delivery
  • Honey Bee
  • Human embryonic stem cells
  • Microparticle drug delivery
  • MRSA
  • Embryonic kidney cells