supraomohyoid en · ADJ
Etymology
From supra- + omohyoid.
Meanings
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(not-comparable) Above (superior to) the omohyoid muscle .
The supraomohyoid neck dissection is a selective cervical node dissection that removes the contents of the submental and submandibular triangles (lymph node level I), the jugulodigastric and jugulo-omohyoid lymph node groups, and the lymph node-bearing tissues located anterior to the cutaneous branches of the cervical plexus and above the omohyoid muscle (lymph node levels II and III).
1989, J E Medina, R M Byers, “Supraomohyoid neck dissection: rationale, indications, and surgical technique. Comparative study.”, in Head and Neck, volume 11, number 2, →DOI, →PMID, pages 111–122: