The cardiovascular system and principal organs of a woman., Leonardo da Vinci, from 1509 until 1510

An anatomical study of the principal organs and the arterial system of a female torso, pricked for transfer. Date: from 1509 until 1510. Dimensions: height: 47.6 cm (18.7 in); width: 33.2 cm (13 in). Medium: black chalk, ink and wash, paper, sanguine. Collection: Royal Collection. Leonardo da Vinci - RCIN 912281, The cardiovascular system and principal organs of a woman c.1509-10