Download anatomical drawings of human central and peripheral nervous system (CNS and PNS), brain and cranial nerves, spinal cord, autonomic (ANS) reflexes, neuron, synapse structure and function, membrane potential, neurological disorders, and more.

Please note: Free downloads are intended to facilitate healthcare education for people in need in low income countries and can be used for educational purposes only. If you can afford it or if you plan to use the images for commercial purposes, please consider buying instead. You can find a larger image collection at higher resolutions for sale at affordable prices on Alila Medical Media website.

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Herpes simplex virus infection, labeled diagram.

Herpes simplex virus (HSV-1) latent (in trigeminal nerve ganglion) and active infection (cold sores), labeled drawing.

Structure of a synapse, labeled diagram.

Structure of a synapse, labeled diagram.

Cross section of the spinal cord, labeled.

Cross section of the spinal cord diagram showing spinal nerve and ganglion, and neurons of a reflex.

Cross section of the spinal cord, unlabeled.

Cross section of the spinal cord diagram showing spinal nerve and ganglion, and neurons of a reflex.

Lateralization of the brain, labeled diagram.

Lateralization of the brain functions : different functions of the left and right hemispheres.

Blood supply to the brain diagram

Lateral view of the brain with middle cerebral artery, unlabeled.

Human brain anatomy, labeled diagram.

Median section of human brain, labeled drawing.

Human brain anatomy, unlabeled diagram.

Median section of human brain, unlabeled drawing.

Meninges of the brain, labeled diagram.

Medical illustration of the layers of the meninges of the brain, very detailed.

Meninges of the brain, unlabeled diagram.

Medical illustration of the layers of the meninges of the brain, very detailed.

Brain stroke diagrams

Ischemic versus Hemorrhagic brain stroke, unlabeled.

Human brain, medical drawing.

Diagram of human brain view from top, unlabeled version.

Visual pathways , labeled diagram.

Diagram of visual projection pathway from eyes to brain (visual cortex), labeled.

Visual pathways , unlabeled diagram.

Diagram of visual projection pathway from eyes to brain (visual cortex), unlabeled.

Referred pain chart, labeled diagram.

Areas on body where pain from internal organs are perceived. Labeled drawing.

Brain trauma with axon shear, labeled diagram.

Illustration of traumatic brain injury - concussion, and mechanism of diffuse axonal injury. This commonly happens in accidents with impact on the head and in "shaken baby" syndrome.

Carpal tunnel anatomy, labeled diagram.

Diagram of the carpal tunnel anatomy showing location of the median nerve and the area of hand it supplies.

Spinal disc herniation, labeled diagram.

Herniated spinal disc causes spinal nerve compression, medical drawing.

Ulnar nerve anatomy, labeled diagram.

Diagram of ulnar nerve showing site of impingement in cubital tunnel syndrome.

Tender points of fibromyalgia, medical drawing.

Diagram showing most common points of tenderness in fibromyalgia syndrome.

Human brain anatomy, medical drawing.

Median section of brain in a human head, accurate features, can be used as an icon or symbol.

Parkinson's disease, labeled diagram.

Diagram showing location of substantia nigra - dopamine producing cells in human brain.

Biofeedback regulation of heart rate, medical illustration.

Regulation of blood pressure through baroreflex, unlabeled version.

Biofeedback regulation of heart rate, labeled.

Regulation of blood pressure through baroreflex, labeled version.

Anatomy of a nerve, unlabeled.

Anatomy of a spinal nerve, unlabeled

Anatomy of a nerve, labeled.

Anatomy of a spinal nerve, labeled

The trigeminal nerve, labeled diagram.

The trigeminal nerve, Cranial nerve V and branches. Its a common site of neuralgia.

Ionic basis of resting membrane potential, labeled diagram.

Resting membrane potential is maintained by sodium potassium pump.

Blood supply to the head and neck, labeled drawing.

Diagram of human head anatomy with arteries including internal carotid supplying the brain, lateral (side) view, labeled.

Blood supply to the brain, coronal section.

Middle cerebral artery anatomy and distribution, labeled diagram.

The nervous system, medical drawing.

Diagram of human nervous system anatomy with brain, spinal cord , spinal nerves and plexuses, unlabeled.

Pituitary gland, medical drawing.

Illustration of the pituitary gland, anterior and posterior lobes, unlabeled version.