Carl-Herman Hjortsjö

physical anthropologist, whose contributions to historical osteology were influential in its establishment as an academic field in the country.^[2]

epithelial pulmonal primordium in the cat was the subject of his dissertation.^[2]

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 [sv]; the result, including a detailed description of the remains, was published in 1952.^[4]

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]