Santa's Little Helper and Maggie are—heck, most Americans probably recognize their pets, Santa's Little Helper and Snowball II". McHugh wrote in "Dog" that while Master McGrath was the most famous greyhound of the 19th century, "the most popular greyhound a hundred years later" is Santa's Little Helper. In the television special "50 Greatest TV Animals" that was hosted by Mario Lopez and aired on Animal Planet in 2003, the dog ranked 27th. Other dogs featured on the list were Lassie (first), Eddie (fifth), Snoopy (sixth), Scooby-Doo (13th), Rin Tin Tin (14th), Max (20th), Triumph, the Insult Comic Dog (24th), Buck (29th), Chipper (44th),
T helper 3 cell T helper 3 cell T helper 3 cells (T3) are white blood cells of the lymphocyte type. They are involved in regulating the body's immune response. The function of T helper cells generally is to mediate the immune response by secreting cytokines and interacting with B-cells to enhance or inhibit their activity. This is of particular importance in the gut as this is where the highest load of foreign material, food, is present. T3 cells are involved in mucosal immunity and protecting mucosal surfaces in the gut from non-pathogenic non-self antigens. They mediate this non-inflammatory environment by secreting TGF-β and