
Two muscular bellies joined by an intermediate tendon. Tendon is held near the hyoid. Anterior and posterior bellies have different nerve supplies.
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Digastric muscle: magnified reference view with a numbered learning marker. The complete original plate is available in the next view.
Image: OpenStax College · Source / original · CC BY 4.0Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.
Digastric muscle
Understand what you see.
Two muscular bellies joined by an intermediate tendon.
Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.
How to recognise it.
- Two muscular bellies joined by an intermediate tendon
- Tendon is held near the hyoid
- Anterior and posterior bellies have different nerve supplies
Point them out.
Tap a number to open its reference, zoom in and locate the structure. Numbers stay the same across views. This key follows landmarks visible in the reference images.
Think first. Then reveal.
Say your answer aloud before opening the suggested response.
Examiner-style prompts: identify the structure, explain its relations, then answer the applied follow-up. These are revision questions, not authenticated past papers.
01Identify digastric muscle and justify your identification.+
Two muscular bellies joined by an intermediate tendon. Tendon is held near the hyoid. Anterior and posterior bellies have different nerve supplies.
02Give the nerve supply of each belly.+
Anterior belly: nerve to mylohyoid from V3. Posterior belly: facial nerve VII.
03Which neck triangle lies between the anterior bellies?+
The submental triangle, with the hyoid forming its inferior boundary.
Read the references.
Credited anatomical plates, microscopy and university teaching references. Individual image credits appear below the viewer. Historical plates can use older terminology; use the lesson text for current names.