
Anterior obturator division in the medial thigh region.
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lower anterior nerves: original labelled anatomical illustration.
Image: Henry Vandyke Carter / Gray’s Anatomy (1918) · Source / original · Public domainNumbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.
Obturator nerve
Understand what you see.
Chief nerve of the medial thigh adductor compartment.
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.
- Lumbar plexus branch
- Traverses obturator canal
- Branches around adductor brevis
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.
01How do you identify obturator nerve?+
Lumbar plexus branch. Traverses obturator canal. Branches around adductor brevis.
02What separates its anterior and posterior branches?+
Adductor brevis is a useful relation, with branching variation.
03Does it supply every adductor?+
No. Pectineus is commonly femoral supplied and the hamstring part of magnus is tibial-division sciatic supplied.
04What is its main functional or developmental significance?+
Chief nerve of the medial thigh adductor compartment. Key structures to recognise: L2–L4 anterior divisions; Anterior branch; Posterior branch.
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.