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  • A message about how AIDS spreads with the word 'AIDS' in letters with red blood vessel-like roots; an AIDS prevention advertisement for the NGO AIDS Cell Centre for Community Medicine in New Delhi. Colour lithograph, 1993.
  • A message about how AIDS spreads with the word 'AIDS' in letters with red blood vessel-like roots; an AIDS prevention advertisement for the NGO AIDS Cell Centre for Community Medicine in New Delhi. Colour lithograph, ca. December 1993.
  • A message about how AIDS spreads with the word 'AIDS' in letters with red blood vessel-like roots; an AIDS prevention advertisement for the NGO AIDS Cell Centre for Community Medicine in New Delhi. Colour lithograph, ca. December 1993.
  • A message about how AIDS spreads with the word 'AIDS' in letters with red blood vessel-like roots; an AIDS prevention advertisement for the NGO AIDS Cell Centre for Community Medicine in New Delhi. Colour lithograph, ca. December 1993.
  • A gloved hand holding up a bird cage inscribed 'Blood bank' containing the HIV virus cell with the warning 'No escape for AIDS'; an advertisement issued by Ortho Diagnostic Systems, a division of Johnson & Johnson Limited. Colour lithograph, ca. 1998.
  • A woman welcoming a female patient at a health clinic in India; with further smaller illustrations relating to the ways in which AIDS can be transmitted including a couple having unprotected sex, blood transfusions, pregnancy and injecting drugs; an AIDS prevention advertisement by NGO-AIDS Cell, Centre for Community Medicine, AIIMS. Colour lithograph by Unesco/Aidthi Workshop, March 1995.
  • A couple in bed, a man having a blood transfusion in hospital, a range of sharp objects including a syringe and scissors and a pregnant woman; a warning about the importance of safe sex and sterilization within hospitals to prevent AIDS by the State AIDS Cell, Goverment of Tamil Nadu sponsored by Unicef. Colour lithograph by Adprint, ca. 1997.
  • A couple in bed, a man having a blood transfusion in hospital, a range of sharp objects including a syringe and scissors and a pregnant woman; a warning about the importance of safe sex and sterilization within hospitals to prevent AIDS by the State AIDS Cell, Goverment of Tamil Nadu sponsored by Unicef. Colour lithograph by Adprint, ca. 1997.
  • A couple wearing garlands, a packet of condoms, a nurse tending to sterilizing needles and a man receiving a blood transfusion in a hospital bed; a warning issued by the State AIDS Cell of the Goverment of Tamil Nadu about the importance of safe sex and sterilization of hospital equipment to prevent the spread of AIDS. Colour lithograph by Adprint, ca. 1997.
  • A couple wearing garlands, a packet of condoms, a nurse tending to sterilizing needles and a man receiving a blood transfusion in a hospital bed; a warning issued by the State AIDS Cell of the Goverment of Tamil Nadu about the importance of safe sex and sterilization of hospital equipment to prevent the spread of AIDS. Colour lithograph by Adprint, ca. 1997.
  • A couple wearing garlands, a packet of condoms, a nurse tending to sterilizing needles and a man receiving a blood transfusion in a hospital bed; a warning issued by the State AIDS Cell of the Goverment of Tamil Nadu about the importance of safe sex and sterilization of hospital equipment to prevent the spread of AIDS. Colour lithograph by Adprint, ca. 1997.
  • A couple wearing garlands, a packet of condoms, a nurse tending to sterilizing needles and a man receiving a blood transfusion in a hospital bed; a warning issued by the State AIDS Cell of the Goverment of Tamil Nadu about the importance of safe sex and sterilization of hospital equipment to prevent the spread of AIDS. Colour lithograph by Adprint, ca. 1997.
  • Veratrum nigrum L. Melanthiaceae Distribution: Europe. Cows do not eat Veratrum species in the meadows, and human poisoning with it caused vomiting and fainting. In the 1850s it was found to reduce the heart's action and slow the pulse (Bentley, 1861, called it an 'arterial sedative'), and in 1859 it was used orally in a woman who was having convulsions due to eclampsia. Dr Paul DeLacy Baker in Alabama treated her with drops of a tincture of V. viride. She recovered. It was used thereafter, as the first choice of treatment, and, when blood pressure monitoring became possible, it was discovered that it worked by reducing the high blood pressure that occurs in eclampsia. By 1947 death rates were reduced from 30% to 5% by its use at the Boston Lying-in Hospital. It works by dilating the arteries in muscles and in the gastrointestinal circulation. A further use of Veratrum species came to light when it was noted that V. californicum - and other species - if eaten by sheep resulted in foetal malformations, in particular only having one eye. The chemical in the plant that was responsible, cyclopamine, was found to act on certain genetic pathways responsible for stem cell division in the regulation of the development of bilateral symmetry in the embryo/foetus. Synthetic analogues have been developed which act on what have come to be called the 'hedgehog signalling pathways' in stem cell division, and these 'Hedgehog inhibitors' are being introduced into medicine for the treatment of various cancers like chondrosarcoma, myelofibrosis, and advanced basal cell carcinoma. The drugs are saridegib, erismodegib and vismodegib. All the early herbals report on its ability to cause vomiting. As a herbal medicine it is Prescription Only, via a registered dentist or physician (UK Medicines and Healthcare Products Regulatory Agency (MHRA)). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Veratrum album L. Melanthiaceae Distribution: Europe. Cows do not eat Veratrum species in the meadows, and human poisoning with it caused vomiting and fainting. In the 1850s it was found to reduce the heart's action and slow the pulse (Bentley, 1861, called it an 'arterial sedative'), and in 1859 it was used orally in a woman who was having convulsions due to eclampsia. Dr Paul DeLacy Baker in Alabama treated her with drops of a tincture of V. viride. She recovered. It was used thereafter, as the first choice of treatment, and when blood pressure monitoring became possible, it was discovered that it worked by reducing the high blood pressure that occurs in eclampsia. By 1947 death rates were reduced from 30% to 5% by its use at the Boston Lying in Hospital. It works by dilating the arteries in muscles and in the gastrointestinal circulation. A further use of Veratrum species came to light when it was noted that V. californicum -and other species - if eaten by sheep resulted in foetal malformations, in particular only having one eye. The chemical in the plant that was responsible, cyclopamine, was found to act on certain genetic pathways responsible for stem cell division in the regulation of the development of bilateral symmetry in the embryo/foetus. Synthetic analogues have been developed which act on what have come to be called the 'hedgehog signalling pathways' in stem cell division, and these 'Hedgehog inhibitors' are being introduced into medicine for the treatment of various cancers like chondrosarcoma, myelofibrosis, and advanced basal cell carcinoma. The drugs are saridegib, erismodegib and vismodegib. All the early herbals report on its ability to cause vomiting. As a herbal medicine it is Prescription Only, via a registered dentist or physician (UK Medicines and Healthcare Products Regulatory Agency (MHRA)). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Catharanthus roseus (L.)G.Don Apocynaceae. Madagascar Periwinkle Distribution: Madagascar. It is the source of vincristine and vinblastine, which impair cell multiplication by interfering with microtubule assembly, causing metaphase arrest and are effective medications for leukaemias, lymphomas and some solid tumours. The mortality from childhood leukaemia fell from 100% to 30% once it was introduced - not a drug that could ethically be tested by double-blind trials. These chemicals were initially discovered by investigators in 1958 who were looking for cures for diabetes so tested this plant which was being used in the West Indies to reduce blood sugar levels. There are 70 different alkaloids present in this plant, and some - catharanthine, leurosine sulphate, lochnerine, tetrahydroalstonine, vindoline and vindolinine - lower blood sugar levels. However, the toxicity of this plant is such that this is not a plant to try at home for diabetic management. The vincristine content of the plant is 0.0003%, so two kilograms of leaf are required to produce sufficient vincristine for a single course of treatment for a child (6gm). Fortunately it is a vigorous weed and easy to grow in the tropics. Artificial synthesis has now been achieved. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • Avian blood
  • Avian blood
  • Avian blood
  • Avian blood
  • Avian blood
  • Avian blood
  • Health & Disease in Deadly Combat
  • Myelinated and unmyelinated nerve fibres and blood vessel
  • Myelinated and unmyelinated nerve fibres and blood vessel
  • Glomerular capillaries and podocyte
  • Blood clot
  • Thyroid nodule smear showing hematoidin crystals
  • Blood clot
  • Ruptured blood vessel
  • Ruptured blood vessel