🧠

Nervous System

The nervous system coordinates all body activities through electrical and chemical signals. It consists of the central nervous system (brain and spinal cord) and peripheral nervous system (cranial and spinal nerves), enabling sensation, movement, and cognition.

Study the Nervous System with AI

Scan any structure from the nervous system and get instant identification with clinical details.

Download AnatomyIQ

Key Structures

Cerebrum (frontal, parietal, temporal, occipital lobes)

Cerebellum

Brainstem (midbrain, pons, medulla oblongata)

Spinal cord and meninges

12 cranial nerves

31 pairs of spinal nerves

Brachial plexus

Lumbosacral plexus

Study Tips

✓Learn cranial nerves with 'Oh Oh Oh To Touch And Feel Very Good Velvet AH'
✓Understand dermatome and myotome distributions
✓Study sensory and motor pathways separately
✓Practice identifying structures in cross-sections

Clinical Relevance

Neuroanatomy is essential for diagnosing strokes, nerve injuries, and neurological disorders. Understanding nerve pathways helps localize lesions and predict clinical deficits.

Nervous System FAQs

Common questions about the nervous system

Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Accessory, and Hypoglossal nerves.

The CNS (Central Nervous System) includes the brain and spinal cord. The PNS (Peripheral Nervous System) includes all nerves outside the CNS, connecting it to the rest of the body.