Kontos AP, Jorgensen-Wagers K, Trbovich AM, et al. Association of time since injury to the first clinic visit with recovery following concussion. JAMA Neurol. 2020;77(4):435-440. doi:10.1001/jamaneurol.2019.4552

Head Sport GmbH was founded in Baltimore, Maryland, United States, in 1950 by aeronautical engineer Howard Head, after he took a ski trip and was surprised to find his skis were made of wood in an era when metals and plastics were replacing wood in many product designs. Head worked at the Glenn L. Martin Company where they used a form of aluminum and plastic laminate to build the fuselages of aircraft, and he felt the same material would make an ideal ski. After two years of continually breaking prototypes, by the winter of 1950 they had a design that was durable enough to use and turning significantly easier.

Leonardo da Vinci, considered one of the world's greatest artists, drew sketches of human anatomy using grid structures. His image of the face drawn on the grid structure principle is in perfect proportion. [14] In this genre, using the technique of pen and ink, Leonardo created a sketch which is a "Study on the proportions of head and eyes" (pictured). Stevenson, Angus (19 August 2010). Oxford Dictionary of English. OUP Oxford. pp.283–. ISBN 978-0-19-957112-3.

Slobodkin, Louis (1973). Sculpture: Principles and Practice. Courier Corporation. p.31. ISBN 978-0-486-22960-7. English Idioms & Idiomatic Expressions – Body idioms/Head". Learn English Today. 2015 . Retrieved 14 September 2015. New York 1953), p.2; Sir Leigh Ashton, 'Sculpture' in The New Outline of Modern Knowledge , ed. A. Pryce-Jones (London 1956), p.307; Alfred Werner, Modigliani the Sculptor In some arthropods, especially trilobites, the cephalon, or cephalic region, is the region of the head which is a collective of "fused segments". [5] Insects [ edit ] Head of a Nomada-species beeHyman, Libbie Henrietta (1979). Hyman's Comparative Vertebrate Anatomy (3rded.). University of Chicago Press. pp.4. [1st ed., 1922, 2nd ed., 1942., 3rd ed., 1979, reprinted in 1992.] ISBN 978-0-226-87013-7. Proponents of identism believe that the mind is identical to the brain. Philosopher John Searle asserts his identist beliefs, stating "the brain is the only thing in the human head". Similarly, Dr. Henry Bennet-Clark has stated that the head encloses billions of "miniagents and microagents (with no single Boss)". [4]

To have one's head in the clouds"– to not pay attention to what is happening around one because one is so absorbed by one's own thoughts [22] [23] Ronald Alley, Catalogue of the Tate Gallery's Collection of Modern Art other than Works by British Artists , Tate Gallery and Sotheby Parke-Bernet, London 1981, pp.526-7, reproduced p.526 Ammer, C. (2013). The American Heritage Dictionary of Idioms, Second Edition. Houghton Mifflin Harcourt. p.206. ISBN 978-0-547-67753-8.London 1941), pp.213-14; Jacques Lipchitz, 'I remember Modigliani' in Art News , XLIX, February 1951, p.28; Augustus John, Chiaroscuro ASE explains why it rejected the largest bid for its assets". Bicycle Retailer and Industry News . Retrieved 2019-02-04. The head's function and appearance play an analogous role in the etymology of many technical terms. Cylinder head, pothead, and weatherhead are three such examples. Euville stone, 25 x 5 x 13 7/8 (63.5 x 12.5 x 35) on stone base; height including base 34 7/8 (88.7)