Lumbar plexus L1–L4, sacral plexus L4–S4, lower limb nerves, cauda equina and supporting anatomy
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Anatomy atlases Full anatomy — The complete combined anatomy modelCentral nervous system — Bones and nervous-system anatomyBrain — Focused brain anatomy with white matter, basal ganglia and diencephalonBrainstem and cerebellum — Brainstem and cerebellar nuclei, white matter pathways and gross anatomyCranial nerves — Cranial nerves I-XII with nuclei, brain context, and muscular endpointsAutonomic nervous system — Sympathetic, parasympathetic, head and neck, visceral plexus, and enteric anatomyBrachial plexus — Whole-system overview, roots C5–T1, trunks, divisions, cords, terminal nerves and innervated musclesLumbar and sacral plexuses — Lumbar plexus L1–L4, sacral plexus L4–S4, lower limb nerves, cauda equina and supporting anatomyLong Tracts and Brainstem–Cerebellar Pathways — Descending motor, ascending sensory, cerebellar, vestibular and brainstem pathwaysSpinal cord anatomy — Axial spinal cord anatomy, spinal nerve roots, gray matter and complete long pathwaysThalamus and internal capsule — Internal capsule subdivisions, thalamic nuclei and their available cortical projectionsTemporal Stem, Sagittal Stratum and Association Fibers — Temporal stem fibers, sagittal stratum with adjacent ILF, and association fiber systemsMusculoskeletal system — Regional bones, articular structures, muscles, fasciae, bursae and optional muscle attachmentsSkull base — Cranial fossae, temporal bone, skull-base vessels, petrosal nerves and autonomic gangliaHead — Topographic head anatomy: scalp and face, temporal and infratemporal regions, parotid region, orbit, nasal cavity, oral cavity and earNeck — Topographic neck anatomy: anterior and posterior triangles, deep neck, cervical plexus, brachial roots and trunks, foramen magnum and suboccipital regionUpper limb — Topographic upper limb anatomy: shoulder girdle, axilla, arm, elbow, forearm, wrist and handLower limb — Topographic lower limb anatomy: lumbar and pelvic region, hip, thigh, knee, leg, ankle and footSpinal cord — annotated anatomy — Axial spinal cord anatomy, spinal nerve roots, gray matter and complete long pathwaysSpinal cord — internal anatomy and tracts — Axial spinal cord anatomy, spinal nerve roots, gray matter and complete long pathwaysSpinal cord — arterial supply — Axial spinal cord anatomy, spinal nerve roots, gray matter and complete long pathways