neck of radius

neck of ra·di·us

[TA]
the narrow part of the shaft just below the head.
Synonym(s): collum radii [TA]
References in periodicals archive ?
This formed an important site which marked the termination of both brachial arteries and commencement of radial and common interosseous arteries at level of neck of radius (Fig.
Brachial artery divided into two branches, radial artery and a common trunk at the level neck of radius. In which, the common trunk further divided into three branches, the ulnar, median and common interosseous artery (fig.1).