The patterns of loops, arches and whorls on the skin of the fingers and feet.
The study of such patterns.
pseudobiographically
saccopharyngidae
siderography
siderography
noun
(historical) A 19th-century process of reproducing steel-engraved designs for printing. The design is engraved on a steel block, then hardened and used to transfer a raised-image version to a steel roller under heavy pressure. The roller is then hardened and used as a die to impress duplicate images on printing plates for transferring to paper by the intaglio method.
stereoradiography
stereoradiography
noun
stereoscopic radiography (using either two X-ray sources or two detectors)
