This high-yield revision note on Triangles of Neck: Anterior & Posterior Triangle - Boundaries, Contents & Applied covers everything examiners typically test under Oral Anatomy & Histology — structured as quick-reference tables, clinical correlations, mnemonics and previous-year-style high-yield points. It's built for last-mile revision before NEET MDS, INI-CET MDS and INBDE, so you can scan it in minutes instead of re-reading a whole textbook chapter.
| Triangle | Boundaries | Contents | Clinical |
|---|---|---|---|
| Submental | 2 Ant bellies digastric + hyoid | Submental nodes Ia | Tip tongue drains |
| Submandibular | Ant & Post digastric + mandible | Submandibular gland, facial artery, CN XII, mylohyoid N | Marginal mandibular nerve at risk |
| Carotid | SCM, post digastric, omohyoid sup belly | CCA bifurcation C4, IJV, vagus, ansa, hypoglossal | Carotid pulse, tumor |
| Muscular | SCM, omohyoid, midline | Infrahyoid, thyroid, parathyroid | Thyroidectomy |
| Occipital (Posterior upper) | SCM, trapezius, omohyoid | Spinal accessory XI on levator scapulae | Biopsy injury = trapezius palsy |
| Supraclavicular | Omohyoid, clavicle | Subclavian artery, brachial plexus | Thoracic outlet |
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