1 A ligand is any molecule that binds to a specific site on a protein or other molecule. In this case, the estrogen hormone 17-beta-estradiol is the ligand, and the estrogen receptor is the protein.  Binding turns on, or activates, a hormone receptor.
A femoral nerve block is a type of regional anesthesia in which the femoral nerve, located in the groin area, is deadened to allow surgery in the leg or knee area.
Injury or entrapment of the lateral femoral cutaneous nerve, also known as meralgia paresthetica (from the Greek words mÄros [âthighâ] and algos [âpainâ]), is a syndrome of paresthesia and pain in the lateral and anterolateral thigh.njury or entrapment of the lateral femoral cutaneous nerve, also known as meralgia paresthetica (from the Greek words mÄros [âthighâ] and algos [âpainâ]), is a syndrome of paresthesia and pain in the lateral and anterolateral thigh.