Which Way Is Up?: How T Cells Adjust Their Orientation to Selectively Mount Immune Responses Forward arrow iconAn arrowing pointing forward, usually indicating forward movement, or the ability the share something via social media. Close iconAn icon showing an uppercase letter "X", indicating that this will close the current element. Share Facebook iconAn icon representing the Facebook social media site. Twitter iconAn icon representing the Twitter social media site. LinkedIn iconAn icon representing the social media service LinkedIn. Printer iconAn icon showing a printer, indicating the ability to print the associated media. Print Video34:00Immunologist Morgan Huse discusses how the orientation of T cells — a type of white blood cell — affects the way they mount an immune response.