Patella present in the living monotremes, the platypus and the echidna. In more primitive tetrapods, including living amphibians and most reptiles (except some Lepidosaurs), the muscle tendons from the upper leg are attached directly to the tibia, and a patella is not present. In 2017 it was discovered that frogs have kneecaps, contrary to what was thought. This raises the possibility that the kneecap arose 400 million years ago when tetrapods first appeared, but that it disappeared in some animals. The word "patella" originated in the late 17th century from the diminutive form of Latin ' or ' or "paten", meaning
United States Ambassador to the United Nations Human Rights Council of the body. United States Ambassador to the United Nations Human Rights Council The United States Ambassador to the United Nations Human Rights Council is the diplomatic representative of the United States to the United Nations Human Rights Council. The position is located within the United States Mission to the United Nations and Other International Organizations located at Geneva, Switzerland. A formal title for the position is United States Representative to the United Nations Human Rights Council, with rank of Ambassador. Up until 2006, the position was commonly known as the United States Ambassador to the United Nations Commission on