Carl-Herman Hjortsjö (8 December 1914 – 3 July 1978), born Carl-Herman Hirschlaff,[1] was a Swedish anatomist, physician and physical anthropologist, whose contributions to historical osteology were influential in its establishment as an academic field in the country.[2]

Hjortsjö was born in Malmö, Sweden, as the son of practicing physician Herold Hirschlaff and Ester, née Sandstedt.[2] He obtained a license to practice medicine in Lund, Sweden, in 1942; Gaston Backman and Carl Magnus Fürst, the country's well-known anatomists at the time, taught him at Lund University's Department of Anatomy. Hjortsjö became a Doctor of Medicine in 1945. The morphogenesis of epithelial pulmonal primordium in the cat was the subject of his dissertation.[2]

In 1948, after studying the human liver, Hjortsjö made major contributions to the understanding of liver surgery and the transplantation technique that later emerged. He was the first to demonstrate the segmental division of the liver.[2][3] Hjortsjö conducted a physical anthropological investigation of the Luttra Woman, a Neolithic bog body discovered in 1943, with archeologist Karl Esaias Sahlström and osteologist and zoologist Nils-Gustaf Gejvall; the result, including a detailed description of the remains, was published in 1952.[4]

In 1969, Hjortsjö devised the first system to taxonomize human facial movements by their appearances on the face, along with a description of each change in appearance caused by the action of each facial muscle. American psychologists Paul Ekman and Wallace Friesen later in 1978 formalized the descriptions as the Facial Action Coding System.[5]

References

  1. "Carl-Herman Hjortsjö". Nationalencyklopedin [National Encyclopedia] (in Swedish). Archived from the original on 5 March 2016. Retrieved 6 October 2023. [...] ursprungligen Hirschlaff [...]
  2. 1 2 3 4 Ahlström, Torbjörn; Arcini, Caroline (2012). "59. Swedish Paleopathology and Its Pioneers". In Buikstra, Jane E.; Roberts, Charlotte (eds.). The Global History of Paleopathology: Pioneers and Prospects. Oxford University Press. pp. 551–553. ISBN 9780195389807. Archived from the original on 6 October 2023. Retrieved 5 October 2023 via Google Books.
  3. "Anatomy". Acta Radiologica. SAGE Publications. 6 (272_suppl): 8. November 1967. doi:10.1177/0284185167006S27203.
  4. Sjögren, Karl-Göran; Ahlström, Torbjörn; Blank, Malou; Price, T. Douglas; Frei, Karin Margarita (2017). "Early Neolithic human bog finds from Falbygden, western Sweden: New isotopic, osteological and histological investigations". Journal of Neolithic Archaeology. Germany: Institute of Prehistoric and Protohistoric Archaeology at Kiel University (19): 102. doi:10.12766/jna.2017.4. ISSN 2197-649X.
  5. Wagner, H.L. (1997). "Methods". In Russell, James A.; Fernández-Dols, José Miguel (eds.). The Psychology of Facial Expression. Cambridge University Press. p. 34. ISBN 9780521587969. Archived from the original on 6 October 2023. Retrieved 6 October 2023 via Google Books.
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