antegrade urography n.
X-ray examination of the urinary tract utilizing percutaneous injection of a contrast agent into the renal calices or pelvis, or into the urinary bladder.
occurring before noon. of or relating to the forenoon. Historical Examples antemeridian, an-te-me-ri′di-an, adj. before midday or noon. Chambers’s Twentieth Century Dictionary (part 1 of 4: A-D) Various adjective before noon; in the morning
prenatal: an antenatal clinic. adjective occurring or present before birth; during pregnancy noun (informal) Also called prenatal. an examination during pregnancy adj. “before birth,” 1798, from Latin ante “before” (see ante) + natal. antenatal an·te·na·tal (ān’tē-nāt’l) adj. See prenatal.
a porch or narthex before the nave of a church.
- Antenna array
a directional antenna or system of antennas for radio transmission or reception.
a conductor by which electromagnetic waves are sent out or received, consisting commonly of a wire or set of wires; aerial. Zoology. one of the jointed, movable, sensory appendages occurring in pairs on the heads of insects and most other arthropods. Contemporary Examples His cellphone, he says proudly, is the kind that still has an […]