Interstate 635 (Texas) Interstate 635 (Texas) Interstate 635 (I-635) is a partial loop around Dallas, Texas, in the United States between I-20 in Balch Springs and State Highway 121 (SH 121) at the north entrance of the Dallas-Fort Worth International Airport in Grapevine. It intersects I-35E at exits 27B–C, but does not connect with I-35W. It is known locally as the Lyndon B. Johnson Freeway, or LBJ, named after Lyndon B. Johnson, the former U.S. Senator from Texas, 37th Vice President, and the 36th President of the United States. Where I-635 ends at I-20, I-20 continues the LBJ Freeway name heading west. Because
Referred itch above. Increasing knowledge of itching in general and its similarities with pain in the future could help to reveal some of what is unknown about referred itch, as could a better understanding of histamine and the C-fibers' involvement with itch sensations. Without question, there is a need for further experimentation and study to be directed at referred itch, particularly as the body of evidence pertaining to it is scattered and often inconclusive. Referred itch Referred itch is the phenomenon in which a stimulus applied in one region of the body is felt as an itch or irritation in a different