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Hace 3 días · Citation, DOI, disclosures and article data. The corticospinal tract (also known as the pyramidal tract ) is a descending white matter tract primarily concerned with motor function that extends caudally from the motor cortex to synapse with motor neurons of the spinal cord in the anterior horns.
Hace 3 días · It descends in the anterior funiculus of the spinal cord, lying close to the anterior median fissure. At each relevant level, fibers cross the anterior spinal commissure of the spinal cord to synapse with ventral horn motor neurons. The anterior corticospinal tract thus becomes smaller as it descends, ending at the level of the mid-thoracic cord.
Hace 4 días · Video appears to show funnel cloud in Cypress area. At one point, the downed lines were draped across the highway, closing it down in both directions. First responders were on the scene quickly ...
Hace 3 días · optic nerve sheath meningioma. progressive diaphyseal dysplasia. thyroid-associated orbitopathy. shear injury. infiltration or neoplasm. lymphoma. paraneoplastic. anti-CRMP5 optic neuropathy. nutritional or toxic. thiamine deficiency. amiodarone toxicity. vitamin B 12 deficiency. inflammation (optic neuritis) infection. Lyme disease. toxoplasmosis
Hace 5 días · Muscle contraction can be voluntary in striated skeletal muscle or involuntary in smooth muscle and cardiac muscle. Striated muscle contraction is coordinated by the muscular, skeletal, and nervous systems. Electrical impulses are transmitted from a nerve cell to a muscle fiber at a neuromuscular junction.
Hace 3 días · Epidural hemorrhage, hematoma, infection, spinal cord compression, or paralysis from placement of a lead in the epidural space Cerebrospinal fluid (CSF) leakage. Tissue damage or nerve damage. Paralysis, weakness, clumsiness, numbness, sensory loss, or pain below the level of the implant.
Hace 3 días · Peripheral nerve field. Peripheral nerve field refers to an area of skin innervated by a single nerve. A peripheral nerve field can also be described as cutaneous nerve distribution . An area innervated by a single dorsal root is called a dermatome . Neurologists rely on maps of dermatomes and peripheral nerve fields to diagnose areas of nerve ...
