Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine

APSIS

Origin: L. Apsis, absis, Gr, a tying, fastening, the hoop of a wheel, the wheel, a bow, arch, vault, fr. To fasten. 1. One of the two points of an orbit, as of a planet or satellite, which are at the greatest and least distance from the central body, corresponding to the aphelion and perihelion of a planet, or to the apogee and perigee of the moon. The more distant is called the higher apsis; the another, the lower apsis; and the line joining them, the line of apsides. 2. In a curve referred to polar coordinates, any point for which the radius vector is a maximum or minimum. 3. Same as Apse. Source: Websters Vocabulary
radiography, abdominal   radiography, bitewing   radiography, dental   radiography, dental, digital   radiography, dual-energy scanned projection   radiography, interventional   radiography, panoramic   radiography, thoracic   (97)
© 2006-2021 med-word.com Last Updated On: 01/26/2021 (0.02)