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.
Other than the ambiguous term Chinese cabbage, the most widely used name in North America for the chinensis variety is bok choy (from Cantonese, literally white vegetable; also spelled pak choi, bok choi, and pak choy).In the UK, Australia, South Africa, and other Commonwealth Nations, the term pak choi is used.ther than the ambiguous term Chinese cabbage, the most widely used name in North America for the chinensis variety is bok choy (from Cantonese, literally white vegetable; also spelled pak choi, bok choi, and pak choy).