* From the medulla, nerve tracts extend to the spinal cord where nerves synapse with motor neurons that innervate muscles that cause [[Reproductive_Behaviour_-_Receptivity_Behaviour_-_Anatomy_%26_Physiology|lordosis]] and mounting. | * From the medulla, nerve tracts extend to the spinal cord where nerves synapse with motor neurons that innervate muscles that cause [[Reproductive_Behaviour_-_Receptivity_Behaviour_-_Anatomy_%26_Physiology|lordosis]] and mounting. |