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.
Femoral neuropathy, or femoral nerve dysfunction, occurs when you canât move or feel part of your leg because of damaged nerves, specifically the femoral nerve. This can happen from an injury, prolonged pressure on the nerve, or damage from disease.In most cases, this condition will go away without treatment.emoral neuropathy, or femoral nerve dysfunction, occurs when you canât move or feel part of your leg because of damaged nerves, specifically the femoral nerve. This can happen from an injury, prolonged pressure on the nerve, or damage from disease. In most cases, this condition will go away without treatment.