video1.0<iframe src="https://www.loom.com/embed/e2c45ffd382d4310a41cd649bc3179e0" frameborder="0" width="1920" height="1440" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14401920Loomhttps://www.loom.com14401920https://cdn.loom.com/sessions/thumbnails/e2c45ffd382d4310a41cd649bc3179e0-39af744e133d2e9e.gif3285.28This Loom reviews spinal cord anatomy and how peripheral nerves carry sensory and motor information. It explains how the spinal cord length and diameter change with development, with newborn termination around L3 or L4 and adult ending around L1 or L2, plus cervical and lumbar enlargements (C4 to T1 and T11 to S2). It covers the conus medularis and filum terminale, then the cauda equina, and how posterior (dorsal) and anterior (ventral) roots form spinal nerves with a dorsal root ganglion. The video also distinguishes gray and white matter locations in the brain versus spinal cord, and summarizes sensory afferent and motor efferent pathways, including receptor types such as mechanical, thermal, chemical, and nociceptors, plus key plexuses like cervical, brachial, lumbar, and sacral.