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ersian anatomical illustrations depicting venous figures

Persian anatomical illustrations depicting venous figures, physician/artist unknown image courtesy of the national library of medicine

An Arabic manuscript, dated 1200 CE, titled Anatomy of the Eye, authored by al-Mutadibih.

An Arabic manuscript, dated 1200 CE, titled Anatomy of the Eye, authored by al-Mutadibih. This manuscript, dated circa is kept at the Cairo National Library. The eye according to Hunain ibn Ishaq.

earliest known medical description of the eye, Hunayn ibn Ishaq, ninth century

Earliest known medical description of the eye, ninth-century by Assyrian Christian Hunayn ibn Ishaq.

An 18th century hand-illustrated page from an Ottoman Turkish dental book showing a molar infected with tooth worms. As early as Babylonian times and lasting well into the 18th century, it was thought that a toothache was caused by worms. (The theory was disproved by Jacob Christian Schaffer in 1757.) In a cavity on one side of the bisected tooth, Lucifer watches as two worms devour and entrap their victims. In the other half of the tooth, demons lord over a collection of human skulls.

Ottoman dental book showing molars infected with toothworms. As early as Babylonian times and lasting well into the 18 century, it was thought that a toothache was caused by worms. The theory was disproved by Jacob Christian Schaffer in Tooth worms?

Michelangelo's Pietà vandalised by Laszlo Toth, 1972

A detail of the damaged hand of Michelangelo's Pieta is seen in this undated photo released by Musei Vaticani at the Vatican May Musei Vaticani-Handout via Reuters

A combo photo shows a detail view of the damaged Michelangelo's Pieta and it after restoration works at the Vatican.

A combo photo shows a detail view of the damaged Michelangelos Pieta and it after restoration works at the Vatican. Forty-one years ago,