The Day of the Dead (Spanish: el Día de Muertos or el Día de los Muertos) is a holiday traditionally celebrated on November 1 and 2, though other days, such as October 31 or November 6, may be included depending on the locality. It is widely observed in Mexico, where it largely developed, and is also observed in other places, especially by people of Mexican heritage. Although related to the simultaneous Christian remembrances for Hallowtide, it has a much less solemn tone and is portrayed as a holiday of joyful celebration rather than mourning. Some argue that there are Indigenous Mexican or ancient...

The tarsi (SG: tarsus) or tarsal plates are two comparatively thick, elongated plates of dense connective tissue, about 10 mm (0.39 in) in length for the upper eyelid and 5 mm for the lower eyelid; one is found in each eyelid, and contributes to its form and support. They are located directly above the lid margins. The tarsus has a lower and upper part making up the palpebrae. == Superior == The superior tarsus (tarsus superior; superior tarsal plate), the larger, is of a semilunar form, about 10 mm (0.4 in) in breadth at the center, and gradually narrowing toward its extremities. It is adjoined...