(IBMS) is the professional body for biomedical scientists in the UK and represents approximately 16,000 members employed in NHS and private laboratories, veterinary laboratories, the National Blood Authority, Health Protection Agency, Medical Research Council and Department for Environment, Food and Rural Affairs. Other members work in related commercial fields and in teaching.

promotes the advancement of physics and engineering applied to medicine and biology and represents the needs and interests of engineering and physical sciences in the provision of health care.

was founded to bring together anaesthetists, surgeons and physicians whose main interest is caring for critically ill patients and also has a rapidly growing membership of nurse, professions allied to medicine and unit managers involved in intensive care.

(IAS) represents the world’s scientists, health care and public health workers and others engaged in HIV/AIDS prevention, control and care.

promotes the advancement of education in the science of cerebral blood flow and metabolism throughout the world.

advances education in the science of neuroanaesthesia and neuro-intensive care.

furthers the understanding of disease by supporting research, education and training in Pathology.

has approximately 2500 Members drawn from over 50 countries, with most engaged in research, in universities or industry, into how the body works.

has 2000 fellows worldwide and promotes the study, control, prevention and treatment of tropical diseases.

promotes excellence in research, education and policy development in general practice and primary health care. Formerly - the Association of University Departments of General Practice (AUDGP).

is the major British society representing scientists, clinicians and nurses who work with hormones.

is the largest microbiological society in Europe with over 5000 members, 75% in the UK, and provides a common meeting ground for microbiologists working in medicine, veterinary medicine, pharmaceuticals, numerous industries, agriculture, food, the environment and education.

is a membership organization of basic scientists and physicians who study the brain and nervous system.

is a Chicago-based organization dedicated to ensuring excellence and consistency in the practice of critical care. The Society of Critical Care Medicine is the only professional organization devoted exclusively to the advancement of multiprofessional intensive care through excellence in patient care, education, research, and advocacy.