gastroesophageal reflux disease (GERD) any of various conditions resulting from gastroesophageal reflux, ranging in seriousness from mild to life-threatening; principal characteristics are heartburn and regurgitation. When there is damage to the esophageal epithelium, it is known as reflux esophagitis.
Missouri Compromise Map. (Missouri Compromise 1820 Map) An Act to authorize the people of the Missouri territory to form a constitution and state government, and for the admission of such state into the Union on an equal footing with the original states, and to prohibit slavery in certain territories.
Missouri Compromise. The United States in 1819. The Missouri Compromise prohibited slavery in the unorganized territory of the Great Plains (upper dark green) and permitted it in Missouri (yellow) and the Arkansas Territory (lower blue area).