· Definition: A group of specialized cells similar in embryonic origin, form and function is called tissue. · The word tissue was given by Bichat a French anatomist and physiologist. So, Bichat is considered the father of histology. · But the term histology was given by a German histologist Mayer 1819 . · Study of tissue is called histology. · Marcello Malpighi , an Italian scientist established a separate branch for the study of tissues so he is the founder of histology. · Types of Animal Tissues: · Depending upon the location and function, animal tissue is divided into the following 4 types: A. EPITHELIAL TISSUE B. MUSCULAR TISSUE C. CONNECTIVE TISSUE D. NERVOUS TISSUE CONNECTIVE TISSUE · Connective tissue is originated from the embryonic mesoderm. · It has 3 t...