Definitions for "Contained"
This word has slightly different meanings according the author involved. Basically, it directs attention to the outer anatomic boundary confining the disc herniation. However, different posterior boundaries may be decided upon, according to the author (either the outer annular layers or the posterior longitudinal ligament or both). Some use contained to show a herniated disc has ruptured through the outer annular layer but is confined by the posterior longitudinal ligament (subligamentous). Others suggest, and it seems more acceptable, for it to be confined by the outer border of the annulus (subannular).
Refers to either the outer annular layers or posterior longitudinal ligament (PLL) or both as the outer anatomic boundary confining the disc herniation.
controlled; "striking with contained ferocity at my head"- R.L.Stevenson
gotten under control; "the oil spill is contained"
A fire whose perimeter has been secured
Fire spread minimized under prevailing conditions.
A fire is contained when its spread has been halted by control lines or natural barriers.
Keywords:  b, content, part
A is part of B's content.