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  • Group A Streptococci are a species of gram-positive bacteria responsible for causing a number of pyogenic (pus-producing) infections including impetigo, scarlet fever and pneumonia. Further fatal complications arising from infection include the development of meningitis and sepsis.
  • Group A Streptococci are a species of gram-positive bacteria responsible for causing a number of pyogenic (pus-producing) infections including impetigo, scarlet fever and pneumonia. Further fatal complications arising from infection include the development of meningitis and sepsis.
  • Question : what is safer sex? How do I tell if I've got AIDS? If I have a test who will find out? ... Answer: 0203 555616 ... / The HIV Network, a community response in Coventry & Warwickshire.
  • A penis putting on a condom and applying lubricant and removing after use wrapped in a tissue; a guide to basic condom sense by AIDS: A Positive Co-ordinated Community Response Society of Jasper. Colour lithograph by Marie Joëlle Driard, 1989.
  • A condom on top of a bottle representing the risk of having sex when drunk; advertisement of the High Equals High Risk Campaign by AIDS: A Positive Co-ordinated Community Response Society of Jasper. Colour lithograph by Daniel Riitano, 1993.
  • A teacher pointing to the words 'Responsible behaviour' on a blackboard before a class of pupils; an AIDS prevention advertisement for the NGO AIDS Cell Centre for Community Medicine in New Delhi. Colour lithograph by N.R. Nanda, ca. 1998.
  • A red rose with an open mouth baring fangs at the centre, surrounded by blackened thorny rose leaves, representing a response to insults directed at homosexuals; an advertisement for a 'Queer-Party' on 31 December 1994 at S036 in Berlin. Colour lithograph.
  • Girls watching cars cruise and pick up teenage prostitutes representing today's behaviour and tomorrow's results represented by a girl dying of AIDS in bed and a pregnant teenager; a warning about safe sex to prevent AIDS by the Guyana Responsible Parenthood Association. Colour lithograph, ca. 1997.
  • Living with differences : sexuality, values and the teacher : a course for teachers responsible for PSD, health education and religious studies on personal, religious and moral education in the age of AIDS : 9th-11th June, 1989 / University of Hull Social Values Research Centre.
  • Living with differences : sexuality, values and the teacher : a course for teachers responsible for PSD, health education and religious studies on personal, religious and moral education in the age of AIDS : 9th-11th June, 1989 / University of Hull Social Values Research Centre.
  • Living with differences : sexuality, values and the teacher : a course for teachers responsible for PSD, health education and religious studies on personal, religious and moral education in the age of AIDS : 9th-11th June, 1989 / University of Hull Social Values Research Centre.
  • If you are ... a man who is ... in a relationship with ... another man : we would like to hear from you & your partner : help us educate doctors about gay relationships, response to HIV and use of the health services by taking part (anonymously) in this major research project / Dilip Lakhani, John McLean, Marion Brookes.
  • Aspirin crystals. Aspirin was originally extracted from willow bark but is actually produced in all plants as a defence mechanism in response to damage or attack. Much higher levels are therefore found in less than perfect fruit and vegetables. Aspirin is used to treat pain, reduce fever and to prevent heart disease and cancer. Some people think it should be reclassified as a vitamin.
  • Goblet cells are packed full of mucous globules (blue), which they release to provide lubrication and protection to the inner surfaces of the intestine and the respiratory system among others. The mucous globules are condensed inside the goblet cell but expand hugely once they are released, absorbing water within 20 milliseconds. This rapid release occurs in response to lots of different stimuli and allows the mucous to get to work instantly.
  • Epimedium pubescens Maxim. Berberidaceae. Horny (sic) Goat Weed. Distribution: China. Marketed as an aphrodisiac, with the ability to act like sildenafil and for osteoporosis. Side effects reported include dizziness, dry mouth, vomiting and cardiac irregularity. It is not listed in Wiart (2006) or Wichtl (1994). Its reputation began, apparently, when a Chinese farmer observed increased sexual activity in his goats after they had been eating Epimedium. Given the enormous profits made by medicines such as sildenafil, it is indicative of its therapeutic value that it has not been taken up by a pharmaceutical company. Poor absorption from the gut and lack of information on toxicity may be responsible. It is not licensed for sale in the UK as a Traditional Herbal Remedy (Traditional Herbal Medicines Registration, January 2013) and has not been assessed or approved by the European Medicines Agency's Committee on Herbal Medicinal Products (HMPC). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
  • 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.
  • Mast cell granules - scroll-type
  • Mast cell releasing histamine granules
  • TEM Jurkat T cell showing typical clumped heterochromatin.
  • The impact of biotechnology on the world
  • Dendritic cell interacting with a T cell
  • The words AIDS in large letters in white against pale blue; advertisement for services provided by the Religious Society of Friends (Quakers) for those with AIDS. Colour lithograph, 1992.
  • TEM Jurkat T cell early apoptopsis
  • Eosinophil-derived neurotoxin
  • TEM of leukocytes (white blood cell)
  • Streptococcal pyrogenic exotoxin A1
  • The rear view of two teddies seated with their arms wrapped around each other and the message in French 'Love is blind. AIDS: Learn, Protect yourself!'; with contact details for the Aids Info SIDA in Brussels. Colour lithograph by René Demarets, ca. 1997.
  • Staphylococcal enterotoxin A
  • Two people sit astride a yellow condom rocketing into the night sky littered with stars and a heart with the stamp 'Europe against AIDS'; a safe sex advertisement supported by the European Communities.Colour lithograph by Fréd. Guiot, ca. 1995.