One or more refinementsmay be added to a conceptto qualify it. This is done by putting the conceptto be qualified before a colon and the qualifying expressionafter. The qualifying expressionis of the form "attribute = value". The example below describes an operation to remove an ovary (i.e. an 'oophorectomy') using a laser.
The next example, shown below, describes the right hip joint.
Where more than one qualifying attribute is required, these can be separated using a comma. The example below describes the removal of an ovarian structure using a laser device.
A further example, below, describes the emergency removal of the appendix:
Refinements may also be applied to a conjoined
concept. For example, the following two expressions are equivalent (because an 'ulna' is
a bone in an 'upper limb'):
Note that there are no brackets round "
" in the above example, as the refinement automatically applies to the conjoined concept.
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