Neuro Atlas
Six layers of human neuroanatomy.
An interactive body and head, from body regions to neurocutaneous fields. Every structure links onward to its educational page and to the formulations mapped to it. Layers are extended as the atlas is revised.
C5
Dermatomes · Layer 2
C5
Axillary nerve
Lateral shoulder cap and lateral upper arm.
Geometry: schematic placeholder. This structure is a data object awaiting verified vector geometry; the projection shown asserts no anatomical detail.
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Formulation
- PHRENIC DUOTwo-step topical concept for the phrenico-cervical field: the lower cervical, supraclavicular and shoulder application zones.→
- CTO DUOCervicothoracic zone concept, developed for the transition between neck and upper back.→
- Plexus Brachialis DUOShoulder–arm concept following the brachial plexus surface projection.→
Body region
Peripheral nerve
- Dorsal scapular nerveC5 — Medial scapular border field.→
- Axillary nerveC5–C6 — Lateral shoulder cap (regimental badge area).→
- Musculocutaneous nerveC5–C7 — Anterior arm flexors, continuing as the lateral cutaneous nerve of the forearm over the radial forearm surface.→
- Radial nerveC5–T1 — Posterior arm, forearm and dorsal first web space.→
Neurocutaneous zone
Knowledge article
Schematic vector illustrations for orientation and education. Surface maps are simplified representations; published dermatome maps differ between sources.
Knowledge graph
Related knowledge
Structures in the atlas are connected to nerves, formulations, articles and reference sheets.
Formulation
Metamer
Peripheral nerve
Knowledge article