{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/36f8f8bf7a5447f0b18cee4d7cc625c3\" frameborder=\"0\" width=\"1662\" height=\"1246\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":1246,"width":1662,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":1246,"thumbnail_width":1662,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/36f8f8bf7a5447f0b18cee4d7cc625c3-85397254b23d0ea5.gif","duration":1332.049,"title":"Neuron Types, Glia, Brain Regions, CSF","description":"This Loom reviews neuron types, neuroglia, major brain regions, and key CNS and PNS anatomy concepts. It explains multipolar, bipolar, and pseudo-unipolar neurons and distinguishes afferent sensory signals from efferent motor signals, with interneurons connecting within the spinal cord. It then covers glial cells, including astrocytes forming the blood-brain barrier, oligodendrocytes wrapping multiple axons in the CNS, and Schwann cells wrapping one axon segment in the PNS, along with gray versus white matter differences. The discussion also summarizes CNS protection (meninges and CSF flow), the blood-brain barrier’s selective transport, and clinical ties such as multiple sclerosis, stroke localization, hydrocephalus, and meningitis tested by lumbar puncture."}