Neurodegenerative disorders. These illustrations are related to diseases that mainly affect the neurons of the human brain. We know that neurons are the basic component of the nervous system and that it is composed of the brain and spinal cord. Normally, neurons do not reproduce or replace themselves when damaged. These neurodegenerative diseases are incurable and debilitating. They are caused by the progressive death of neurons in different regions of the brain and nervous system.

illustrations of neurodegenerative disorders. In these medical illustrations of Neurodegenerative disorders, we can see how they affect various activities of the human body, such as balance, movement, speech, breathing, and heart functions. Many of these diseases are genetic. These progressive losses of nerve cells and neurons in specific areas of the brain are the consequence that affects the proper functioning of the nervous system and behavior.

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Parkinson’s disease

In these illustrations, Parkinson’s disease is a chronic neurodegenerative disorder that mainly affects the motor system. This disease is characterized by the progressive degeneration of dopaminergic neurons in the brainstem, where dopamine is produced. Dopamine is an essential neurotransmitter that plays a crucial role in the coordination and control of movement. The loss of these neurons leads to a deficiency of dopamine, which causes the motor symptoms characteristic of this disease.

The most common symptoms of Parkinson’s disease include resting tremors, muscle rigidity, slow movements, and balance problems. In addition, non-motor symptoms such as sleep disturbances, cognitive problems, and mood changes may also occur. These alterations may vary from person to person.

dopamina en Parkinson
Dopamine in Parkinson’s
La sustancia negra
The substantia nigra
Dopamina en Parkinson
The Parkinson’s synapse
Mano en Parkinson
Piernas en Parkinson
Legs in Parkinson’s
Cuerpo tembloroso en Párkinson








Cabeza temblorosa en Parkinson
Head tremor
La sinapsis en Parkinson
The synapse in Parkinson’s
La dopamina un neurotransmisor del sistema nervioso
Dopamine, neurotransmitter of the nervous system
Estimulación cerebral
Brain stimulation









Dopamine synapses and Parkinson's
Dopamine synapses and Parkinson’s









Alterations of Alzheimer’s disease

In the illustrations on Alzheimer’s disorders, we will observe images associated with this neurodegenerative disease that affects memory, thinking, and behavior. In the initial stages, it manifests with forgetfulness and mild cognitive difficulties, but gradually progresses, impacting the ability to carry out daily activities.

It is characterized by the accumulation of beta-amyloid protein plaques and tau protein tangles in the brain. Risk factors include advanced age and genetics. Although there is no cure, symptoms are managed through medication and specialized care. Emotional support for patients and caregivers is crucial. Research continues to better understand and find more effective treatments for this challenging condition.

Deterioro neuronal en Alzheimer
Neuronal deterioration in Alzheimer’s
Neurona en Alzheimer
Diseased neuron
Alteración neuronal
Neuronal alteration
Recuerdos en Alzheimer
Lost memories
Diferencia cerebral y neuronal en Alzheimer
Brain and neuronal difference in Alzheimer’s








Proteína beta amiloide de Alzheimer
Alzheimer’s beta-amyloid protein
Diferencias cerebrales en Alzheimer
Brain differences in Alzheimer’s









Amyotrophic lateral sclerosis.
ALS is a neurodegenerative disease that affects nerve cells in the brain and spinal cord. It is characterized by progressive loss of muscle function, weakness, and atrophy. ALS usually leads to the inability to move, speak, swallow, and, ultimately, death due to respiratory problems.

Scoliosis is another neurodegenerative disease. It is the deformity of the spine that involves an abnormal lateral curvature. The curve can be mild or severe, causing postural problems, pain, and limitations in mobility.

ELA, Esclerosis lateral
Sclerosis – ALS
Esclerosis lateral
Affected neuron
esclerosis lateral
Muscle weakness
muscular en esclerosis
Diseased neuron


Vertebral scoliosis
Escoliosis vertebral

Columna scoliosis









Hipoplasia cerebelar
Cerebellar hypoplasia
Médula espinal
Spinal cord with Ataxia
Médula espinal sana y con Ataxia
Healthy spinal cord with Ataxia









enfermedad Huntington
Huntington’s disease
Enfermadad de Huntington
Healthy brain with Huntington’s disease
Huntington y Cromosoma 4
Chromosome 4 disease
enfermedad de Huntington









Demyelinated sheath
Vaina de Mielina
los cuerpos de Lewy
The Lewy bodies
miastenia gravis
Myasthenia gravis synapse









There are more than 100 neurodegenerative diseases described. These medical illustrations focus on some of the best known, Parkinson’s disease, Alzheimer’s disease, ALS, and multiple sclerosis, to name a few examples. Dementias cause the greatest burden of this disease, with Alzheimer’s disease accounting for approximately 60-70% of cases.