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.
Pinched nerve: Numbness in upper thigh is usually caused by a pinched nerve near outer groin. The nerve is called lateral cutaneous nerve of thigh. It causes numbness, tingling and burning in the front and outer side of thigh. Condition is referred as meralgia paresthetica.