Assertion: structure's function | /r/HasProperty | i.e. extensors
Facets:
Source sentences:
text: (1) By location or innervation (ventral and dorsal divisions of the plexus layer); (2) by development on the basis of their points of insertion (a posterior group in two layers and an anterior group); and (3) by function (i.e. extensors, flexors, adductors, and abductors).