Causes of Pyometra. Pyometra is an infection that is caused by Escherichia coli, which is a bacterium that is normally present in healthy amounts in the uterus of the dog. When there is an overgrowth of the Escherichia coli bacteria, the uterus infection occurs; this may be 2 months after the estrus.
Central America is not its own continent, but is considered part of North America geographically. Costa Rica, while being in Central America, is technically part of North America. The North American continent ends at either the Panama/Colombia border or the Panama Canal, depending on the convention you accept.
Best Answer: Costa Rica, officially the Republic of Costa Rica ( Costa Rica or RepÃºblica de Costa Rica), is a republic in Central America, bordered by Nicaragua to the north, Panama to the east-southeast, the Pacific Ocean to the west and south, and the Caribbean Sea to the east. Costa Rica was the first country in the world to constitutionally abolish its army. ItÂ´s is a Latin American country. So, if it is a Republic (country) it can not be a U.S. territory, because itÂ´s an independent state with their own Flag, President, legislative power, Constitution and 4 million people.