There is a phase when the early embryo consists only of simple epithelial layers. Later, the three primitive germ layers give rise to 4 primary tissues: 1. Epithelium  the cells are generally applied closely one to another with little cementing substance.
See also: Confucius and Gong (surname) Kong (å­, /ËkoÊÅ/) is a Chinese and Korean surname. It can also be written as Kung in Taiwan, Hung in Hong Kong, Khá»ng in Vietnam, and Gong in Korea. There are around 2.1 million people with this surname in China in 2002, representing 0.23% of the population.
This is a Chinese name; the family name is Hung. Sammo Hung (born 7 January 1952), also known as Hung Kam-bo (æ´ªéå¯¶), is a Hong Kong actor, martial artist, film producer and director, known for his work in many martial arts films and Hong Kong action cinema. He has been a fight choreographer for, amongst others, Jackie Chan, King Hu and John Woo.