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.
Salisbury Cathedral. Its spectacular spire is the tallest medieval structure in Britain. Its beauty lured some of the greatest artists, including Turner, Constable and Whistler, to Wiltshire. And while most cathedrals took centuries to build Salisbury Cathedral was built in just 38 years - by a mere 300 men. The English Gothic structure is one of twenty cathedrals that were built after the Battle of Hastings in 1066 when William the Conqueror seized control of England and Wales.