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This spectroscope is used to study which light waves from the spectrum are absorbed when passed through living body tissue. The camera records the wavelengths that have been absorbed by taking a spectrograph. This spectroscope was presented to Royal Wolverhampton hospital in recog-nition for the work of their first honorary pathologist, Charles Alexander MacMunn (1852-1911). MacMunn used a spectroscope to demonstrate the existence of a particular pigment in muscle, which plays an important role in cellular respiration similar to that of haemoglobin. These are known as cytochromes. He also wrote 'The Spectroscope in Medicine' in 1880. The spectroscope is shown here with a Bunsen burner (1905-103/2).

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Glossary: spectroscope

Optical instrument that disperses visible light into a spectrum using prisms or gratings, which can be observed and analysed. Used mainly in astronomy and chemistry, variants include spectrographs that record spectra & spectrometers that have scale for direct wavelength measurement

Glossary: haemoglobin

a substance contained within the red blood cells and responsible for their colour, a protein made from iron and responsible for carrying oxygen around the body

Glossary: spectroscopy

Branch of optics dealing with the measurement of the wavelength and intensity of a spectrum.

Glossary: cytochromes

Iron pigment containing proteins present in every type of living cell.