Mammals. Mammal . Mammalia . Warm-blooded vertebrate animals belonging to the class Mammalia, including all that possess hair and suckle their young. . 1.00
Mastodynia. Breast Pain . Mammalgia . Breast Pains . Mammalgias . Mastalgias . Mastodynias . Pain, Breast . Pains, Breast . Mastalgia . Pain in the breast generally classified as cyclical (associated with menstrual periods), or noncyclical, i.e. originating from the breast or nearby muscles or joints, ranging from minor discomfort to severely incapacitating. . 0.77
Mastodons. American Mastodon . Mammut . Mammut americanum . American Mastodons . Mastodon . Mastodon, American . Mastodons, American . An extinct genus of large mammals in the family Mammutidae, that fed by browsing on tall plants. Eurasian species died out three million years ago, but some specimens of the American Mastodon survived the last Ice Age. . 0.71
Mammea. Mammeas . A plant genus of the family CLUSIACEAE. Members contain xanthones and BENZOPHENONES. The common name of Mamey is also used with POUTERIA. . 0.70
Mammoths. Mammuthus . Mammuthus primigenius . Mammoth . Mammoth, Woolly . Mammoths, Woolly . Woolly Mammoths . Woolly Mammoth . An extinct genus of large mammals in the family Elephantidae that fed by grazing on low vegetation. Most died out at the end of the last ice age. . 0.68
