Browse plain-English disease and condition guides, including symptoms, causes, diagnosis, treatment options, prevention, and when to seek medical care.
12 Cranial Nerves/The cranial nerves provide afferent and efferent (sensory, motor, and autonomic) innervation to the structures of the head and neck. Unlike spinal nerves whose...
Read articleThe abducens nerve is a crucial part of our body’s nervous system, responsible for controlling the movement of our eyes. However, when this nerve undergoes atrophy,...
Read articleAbducens nerve cancer, also known as abducens nerve schwannoma or abducens nerve glioma, is a rare type of tumor that affects the sixth cranial nerve. This...
Read articleAbducens nerve compression occurs when the sixth cranial nerve, responsible for controlling eye movement, is squeezed or damaged. This condition can lead to various symptoms affecting...
Read articleAbducens nerve degeneration is a condition that affects the sixth cranial nerve, which controls the movement of the eye. This article aims to provide a clear...
Read articleAbducens nerve diseases affect the sixth cranial nerve, responsible for controlling eye movement. These conditions can lead to various symptoms, affecting vision and overall health. Understanding...
Read articleAbducens nerve disorders can cause problems with eye movement, leading to various symptoms and difficulties. Understanding the causes, symptoms, diagnosis, and treatment options for these disorders...
Read articleAbducens nerve dysfunction, also known as sixth nerve palsy or cranial nerve VI dysfunction, affects the nerve responsible for controlling the movement of the lateral rectus...
Read articleAbducens nerve dysfunction and ischemia are medical conditions that affect different parts of the body but can have significant impacts on a person’s health and wellbeing....
Read articleAbducens nerve lesions can lead to various difficulties in eye movement and coordination. Understanding the causes, symptoms, diagnosis, and treatment options for these lesions is crucial...
Read articleAbducens nerve malformation is a condition affecting the sixth cranial nerve, which controls the movement of the eye. When this nerve is not functioning properly due...
Read articleAbducens nerve neuralgia, often referred to as sixth nerve neuralgia, is a condition that affects the sixth cranial nerve, responsible for controlling the movement of the...
Read articleAmyotrophic lateral sclerosis type 10, or ALS10, is a genetic form of ALS caused by changes (mutations) in a gene called TARDBP. This gene makes a...
Read articleMotor neuron disease (MND) is a group of conditions that slowly damage the motor neurons. Motor neurons are special nerve cells that carry signals from your...
Read articleLou Gehrig’s disease, also called amyotrophic lateral sclerosis (ALS), is a serious nerve disease that slowly damages the motor neurons—the special nerve cells in the brain...
Read articleAlzheimer’s disease type 15 (often shortened to AD15) is a rare, inherited form of dementia. Families with this condition develop gradual problems with memory, thinking, language,...
Read articleAlzheimer disease without neurofibrillary tangles” means a situation where a person shows Alzheimer-type amyloid plaques in the brain, but tau neurofibrillary tangles are not found (or...
Read articleLate-onset familial Alzheimer’s disease means Alzheimer’s disease that begins at age 65 or later and runs in families. In these families, more than one close relative...
Read articleAlzheimer’s disease is a progressive brain condition that slowly damages memory, thinking, and daily function. In most people it begins after age 60–65 and worsens over...
Read articleLate-onset Alzheimer disease 2 (AD2) is a type of Alzheimer’s disease that usually starts after age 65. It develops slowly. At first, a person may forget...
Read articleAIDS Dementia Complex (ADC) is brain and nerve injury that happens in some people living with HIV, usually when the immune system has been weak for...
Read articleChronic lymphocytosis of cerebrospinal fluid (CSF)” means there are too many lymphocytes (a type of white blood cell) in the CSF for a long time. CSF...
Read articleOtocephaly is a very rare birth defect that happens very early in pregnancy. The baby’s lower face does not form in the usual way. The lower...
Read articleHoloprosencephaly–agnathia is a very rare birth defect that affects both the brain and the face. In early pregnancy (about weeks 3–4), the front part of the...
Read articlePeripheral neuropathy means the nerves outside the brain and spinal cord do not work properly. These nerves carry signals for feeling (touch, pain, temperature), movement (muscle...
Read articleHereditary Motor and Sensory Neuropathy with Agenesis of the Corpus Callosum (HMSN/ACC)—also known as Andermann syndrome or ACCPN is a rare, inherited nerve and brain disorder....
Read article“Corpus callosum agenesis–neuronopathy syndrome” describes a condition where a person is born with a missing or very under-developed corpus callosum (the thick nerve bridge that connects...
Read articleCharlevoix disease is a rare, inherited brain and nerve disorder. It begins most often in childhood. The problem starts in the part of the brain that...
Read articleAgenesis of the corpus callosum with peripheral neuropathy is a rare, inherited brain-and-nerve condition. “Agenesis of the corpus callosum” means the big band of nerve fibers...
Read articleAdult‑onset autosomal dominant demyelinating leukodystrophy, often shortened to ADLD, is a rare brain and spinal cord disease that usually starts in adult life (often in the...
Read articleHeredopathia atactica polyneuritiformis is a rare genetic disease in which the body cannot properly break down a dietary fat called phytanic acid. Because of a missing...
Read articleHereditary Motor and Sensory Neuropathy type 4 (CMT4) is a group of rare, inherited nerve disorders. It mainly damages the peripheral nerves, which are the long...
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