word-forming element meaning 1. after, behind, 2. changed, altered, 3. higher, beyond; from Greek meta (prep.) in the midst of, in common with, by means of, in pursuit or quest of, from PIE *me-in the middle (cf. German mit, Gothic miÃ¾, Old English miÃ° with, together with, among; see mid).
Quick Answer. Pain and numbness on either the left or right thigh can be caused by meralgia paresthetica, peripheral neuropathy, multiple sclerosis and lupus, explains Healthgrades. Some other causes include injury, obesity, trauma and tight clothing, notes the American Academy of Orthopaedic Surgeons.
If the narrowing is substantial, it causes compression of the spinal cord or spinal nerves, which causes the painful symptoms of lumbar spinal stenosis, including low back pain, buttock pain, and leg pain and numbness that is made worse with walking and relieved by resting. Medically Reviewed by a Doctor on 5/7/2015.