Editorialeonardo da Vinci, Sagittal and Horizontal Sections of the Human Head with Layers of the Head compared with an Onion. K/P 32r (ca. 1490). On this page Leonardo outlined in a sagittal and transverse plane the 'cell doctrine' concept. The brain cavity is ...
Editorialeonardo da Vinci, Sagittal and Horizontal Sections of the Human Head with Layers of the Head compared with an Onion. K/P 32r (ca. 1490). On this page Leonardo outlined in a sagittal and transverse plane the 'cell doctrine' concept. The brain cavity is ...
EditorialMarble portrait bust of Severus Alexander, Late Severan, ca. A.D. 230?235, Roman, marble, Overall: 29 1/8 x 29 1/2 in. (74 x 75 cm), Stone Sculpture, The young emperor Severus Alexander (r. A.D. 222?235) is wearing a toga contabulata, with a large over...