Trigonum Pirogovi

Pirogovis triangle is place of ligation of lingual artery.

Borders:
 * Cranial: hypoglossal nerve;
 * Ventral: mylohyoidal muscle;
 * Caudal: posterior belly of digastric muscle;
 * Bottom: hyoglossal muscle

Contents:
 * Lingual artery

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 * Trigonum Submandibulare