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1 de mai. de 2012 · The spine. pics courtesy of Royal Collection and radiologist Dr Richard Wellings, UHCW. The spinal column shown here is thought to be the first accurate depiction in history. According to Peter...
Also around 1509-10, Leonardo drew a human spine with a physiological pelvic inclination and a correct balance in the sagittal plane. This first discovery can be proven using concepts and measurements from modern spinal surgery.
Leonardo also reminds himself to determine whether the nerves that cause movement in the face issue directly from the brain – he has comprehended the difference between spinal nerves and cranial nerves. In the second drawing some of the superficial facial muscles have been removed to reveal the deeper structures.
21 de out. de 2014 · Leonardo made many important discoveries. For instance, he produced the first accurate depiction of the human spine, while his notes documenting his dissection of the Florentine centenarian...
Mission ready. As rigs move further offshore, the AW609’s high speed and long range will set new standards for vertical lift. For long-distance, deep-water operations, the AW609 can carry up to nine passengers further and faster than a conventional helicopter.
The subtlety of Leonardo’s shading allows the curvatures to be clearly understood, and variations in the sizes of the vertebral bodies and transverse processes are carefully recorded – vertical lines either side of the spine give the maximum width of the processes.
Leonardo showed that the brain and spine were connected but never identified where the human soul lies. He disputed the belief - then widely held - that sperm were produced in the marrow of the...
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