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Human embryology is the study of human development during the first eight weeks from gametogenesis (sperm and oocyte development) pre-conception through fertilization (conception of sperm and oocyte in the ampulla arm where the fallopian tube and ovary adjoin) up to and including the 8th week after implantation of the zygote (fertilized egg) in the uterus. After the 8th week of implantation, the developing embryo becomes a fetus...

Harbin Pharmaceutical Group Co., Ltd. (SSE:600664) (simplified Chinese: 哈药集团有限公司; traditional Chinese: 哈藥集團有限公司; pinyin: Hā​yào​ jí​tuán​ yǒu​xiàn ​gōng​sī​) is China's second-biggest drug maker by market value. Business Harbin Pharmaceutical is engaged in the research, development, manufacture and sale of pharmaceutical products...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...

A T-shirt (T shirt or tee) is a thin, knitted shirt which is pulled on over the head to cover most of a person's torso. A T-shirt is usually buttonless and collarless, with a round neck and short sleeves. In a 2008 USA Today survey, results revealed approximately 81% of the U.S. population have worn or will wear a T-shirt by the time of the next presidential election; 9,000 men and women were polled...