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  • Rabbit cerebellum
  • Aedes aegypti mosquito crop
  • HIV transcription, HIV viral life cycle, illustration
  • Anterior neural plate, mouse
  • Pinus mugo Turra, Pinaceae Mountain pine. Distribution: Mountain regions in south and central Europe. Source of pine cone syrup used in cooking. Pine trees in general have a small edible pine nut in the pine cone, which Lyte (1578) writes are 'good for the lungs, they cleanse the breast, and cause the fleme to be spit out: also they nourish well and engender good blood, and for this cause they are good for such as have the cough.' He wrote that it was used for burns, wounds, dysentery, and as a diuretic. Quincy says of fir (Pinus) cones that they strengthen the genital parts, and increase the quantity of seed, or increase Desire without adding to Ability or Performance. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Healthy human adult brain viewed from the side, tractography
  • Plectranthus argentatus S.T.Blake Lamiaceae Silver spurflower. Herbaceous perennial. Distribution: Queensland and New South Wales, Australia. Little is known of its chemical constituents. It does contain many novel diterpenoids in its leaf glands (Alder, A.C. et al, Helvetica Chimica Acta, 2004, 67(6): 1523 – 1530).This genus has had some species from the genus Coleus incorporated into it, and these form a separate clade on phylogenetic analysis. The species in the ‘Coleus’ clade have a higher incidence of medicinal usage, being used to treat digestive, skin, infective and respiratory problems. They contain monoterpenoids, sesquiterpenoids, and diterpenoids. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Cabbage, axial view, MRI
  • Zebrafish posterior lateral line development
  • Glutamatergic neurons in the zebrafish forebrain
  • Fractal patterns in a Bacillus subtilis biofilm, LM
  • HeLa cells, immortal human epithelial cancer cell line, SEM
  • Woodlouse, SEM
  • HIV integration, HIV viral life cycle, illustration
  • Kiwi, axial view, MRI
  • Apoptosis
  • Ceramic rods, SEM
  • Imaginary Herbaria of Dr James Miranda Barry
  • Human oral squamous cell carcinoma cell, SEM
  • Purple bacteria or purple photosynthetic bacteria are pigmented by bacteriochlorophyll and carotenoids, giving them a colourful range of purples, pinks and oranges. They photosynthesize without producing oxygen as a by-product. This type of bacteria are proteobacteria which are phototrophic (produce their own food via photosynthesis)
  • Petasites hybridus (L.)G.Gaertn., B.Mey. & Scherb. Asteraceae. Butterbur, Bog rhubarb. Distribution: Europe, NW Asia. Culpeper (1650) writes: “The roots are ... exceeding good in violent and pestilential fevers, they provoke the terms, expel poison, and kill worms.” Modern herbalists recommend it for a wide range of therapies, but it contains pyrrolizidine alkaloids, which are hepatotoxic and cause liver cancers. Nevertheless, in a trial aimed at reducing frequency of migraine attacks, a standardised commercial preparation was well tolerated, and was effective at higher doses, but placebo in this trial reduced migraines by over 50% in 49% of the patients (Neurology 2004
  • Prostate cancer cells treated with nano sized drug carriers
  • Microbead 'lasers' engulfed by cells, artistic impression
  • Human heart (aortic valve) tissue displaying calcification
  • Open stoma on an orchid leaf (Phalaenopsis sp.)
  • Highly invasive human paediatric brain tumour derived cells
  • Head of a bumble bee (Bombus), SEM
  • Dorsal view of zebrafish brain (4 day-post fertilization)
  • Colour vision
  • Raynaud's Phenomenon