30-Second Anatomy: The 50 Most Important Structures and Systems in the Human Body, Each Explained in Half a Minute
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The 50 most important structures and systems in the human body, each explained in half a minute. The bestselling 30-Second series offers a new approach to learning about those subjects you feel you should really understand. Every title takes a popular topic and dissects it into the 50 most significant ideas at its heart. Each idea, no matter how complex, is explained using a mere two pages, 300 words, and one picture: all easily digested in only half a minute. 30-Second Anatomy offers you an instant diagnosis of how your body works. Whether youre a medical student, an artist, a body worker, or simply want to know what your doctor is talking about when he mentions your humerus, this is the quickest way to get under your own skin. Dissecting the workings of everything from your heart to your brain into 30-second summaries, this is the quickest way to understand the structures and systems that are you. Supported by biographies of the pioneers in anatomy studies, its the book that would have kept Burke and Hare home at night.
detailed anatomical drawings of the inside of the human body, including the skeleton, heart, blood vessels, sexual organs and a fetus in utero. Everything was recorded in meticulous detail, down to the tiniest capillary and from several angles, producing a priceless record for future anatomists. Leonardo assembled more than 200 pages of drawings and notes in preparation for a planned treatise on anatomy, but true to form did not finish the project. The papers were left to his pupil, Francesco
Melzi, who was also defeated by them; finally, in 1632, fifty years after Melzi’s own death and 113 after that of Leonardo, a few of the drawings were published in A Treatise on Art. The rest were preserved; their full importance was realized in the eighteenth century by William Hunter (see here), who used them as a model for his own anatomical illustrations. 1452 Born near Vinci, from which he took his name 1466 Apprenticed to Andrea del Verrocchio, where he received formal training in
3-SECOND INCISION The microcirculation – a collection of the smallest blood vessels in the body – controls blood flow through an organ. 3-MINUTE DISSECTION When fluid movement across the microcirculation goes wrong it can lead to tissue dehydration or swelling (oedema). Elephantiasis is a parasitic worm infection transmitted by mosquitos; the parasite blocks the lymphatic drainage system, leading to extreme swelling – particularly in the lower body. In contrast, during haemorrhage (when blood
with Galen than proclaim the truth with Harvey’. He lost out financially and his practice suffered – but his career was nevertheless successful. An astute marriage in 1604 to Elizabeth Browne (daughter of Lancelot Browne, court physician formerly to Queen Elizabeth I and by this stage to her successor, King James I) meant that by the time Harvey published his ideas, he was court physician to King Charles I, with a significant proportion of the aristocracy on his books; he also held prestigious
1861 Died of smallpox THE AUTONOMIC NERVOUS SYSTEM the 30-second anatomy The autonomic nervous system is separated into parasympathetic and sympathetic branches. The parasympathetic branch is more important in day-to-day activities, while the sympathetic branch is active in stressful situations. Together they help to maintain balance between diverse body processes. Many of the parasympathetic pathways begin in the brainstem and cranial nerves, such as the vagus nerve, while others begin low