Histology is the study of tissues. There are only four primary tissue types: epithelial, connective, muscular and neural. For now we will only concentrate on epithelial and connective tissues. Epithelial tissue covers exposed surfaces or lines internal cavities or passageways and forms glands.
The Cathedral of Learning in Bangkokâs Assumption University soars to a towering 522 feet (159 meters) in height. Built in 2002, the 39-story structure mimics the design of the University of Pittsburghâs Cathedral of Learning â albeit in a more postmodern style.
Photo courtesy of the DC SHPO. The National Cathedral, completed in 1990, is the culmination of a two-century-long plan for a majestic Gothic style cathedral. This richly decorated cathedral is located on a landscaped 57 acre plot of land on Mount Saint Albans in Northwest Washington, 400 feet above sea level.