Amatus Lusitanus
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João Rodrigues de Castelo Branco, better known as Amato Lusitano and Amatus Lusitanus, was a notable Portuguese Jewish physician of the 16th century. Like Herophilus, Galen, Ibn al-Nafis, Michael Serv
A page from In Dioscorides Enarationes
Statue of Amato Lusitano in his hometown Castelo Branco.
Vein
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A vein is a blood vessel in the circulatory system of humans and most other animals that carries blood towards the heart. Most veins carry deoxygenated blood from the tissues back to the heart; except
Layers of vein wall shown in comparison to arterial wall
Main veins of the systemic circulation
Deep and superficial veins of the arm and near thorax
Diagram of different sized veins with differing component proportions