Assertion: brachial plexus | /r/HasProperty | covered by platysma
Facets:
Source sentences:
text: Relations.—In the neck, the brachial plexus lies in the posterior triangle, being covered by the skin, Platysma, and deep fascia; it is crossed by the supraclavicular nerves, the inferior belly of the Omohyoideus, the external jugular vein, and the transverse cervical artery.