Syn: abulia.
Oranienburg
abrachia
Congenital absence of arms. See: amelia.
Origin
abrachiocephaly, abrachiocephalia
Congenital absence of arms and head. Syn: acephalobrachia.
Origin
abrade
1. To wear away by mechanical action.
2. To scrape away the surface layer from a part.
Origin
[L. ab-rado, pp. –rasus, to scrape off]
abraded wound
Syn: abrasion(1).
A-
Symbol for anion.
A-DNA
a form of DNA in which the helix is right-handed and the overall appearance is short and broad.
A-E amputation
acronym for above-the-elbow amputation.
A-H conduction time
See: atrioventricular conduction.
A bands
the dark-staining anisotropic cross striations in the myofibrils of muscle fibers, comprising regions of overlapping thick (myosin) and thin (actin) filaments. Syn: A disks, anisotropic disks, Q bands(1), Q disks.