|
hysterectomy
hysterectomy , surgical removal of the uterus . A hysterectomy may involve removal of the uterus only or additional removal of the cervix (base of the uterus), fallopian tubes (salpingectomy), and ovaries (oophorectomy). It may be performed through a conventional abdominal incision or through t...
Read more
|
|
castration
castration removal of the sex glands of an animal, i.e., testes in the male, or ovaries and often the uterus in the female. Castration of the female animal is commonly referred to as spaying. Castration results in sterility, decreased sexual desire, and inhibition of secondary sex characteristics. ...
Read more
|
|
antioxidant
antioxidant substance that prevents or slows the breakdown of another substance by oxygen. Synthetic and natural antioxidants are used to slow the deterioration of gasoline and rubber, and such antioxidants as vitamin C (ascorbic acid), butylated hydroxytoluene (BHT), and butylated hydroxyanisole (...
Read more
|
|
biopsy
biopsy , examination of cells or tissues removed from a living organism. Excised material may be studied in order to diagnose disease or to confirm findings of normality. Preparatory techniques depend on the nature of the tissue and the kind of study intended. Incisions may be made and total or part...
Read more
|
|
euthanasia
euthanasia , either painlessly putting to death or failing to prevent death from natural causes in cases of terminal illness or irreversible coma. The term comes from the Greek expression for "good death." Technological advances in medicine have made it possible to prolong life in patients with ...
Read more
|
|
Rube Goldberg
Rube Goldberg (Reuben Lucius Goldberg), 1883-1970, American cartoonist and sculptor, b. San Francisco. After drawing cartoons for San Francisco newspapers, he moved to New York City. There he worked for the New York Evening Mail until his cartoons became syndicated in 1921. Goldberg originated th...
Read more
|
|
Rube Goldberg
Rube Goldberg (Reuben Lucius Goldberg), 1883-1970, American cartoonist and sculptor, b. San Francisco. After drawing cartoons for San Francisco newspapers, he moved to New York City. There he worked for the New York Evening Mail until his cartoons became syndicated in 1921. Goldberg originated th...
Read more
|
|
Michael Davitt
Michael Davitt , 1846-1906, Irish revolutionary and land reformer. He joined the Fenian movement in 1865 and was imprisoned three times by the English for his revolutionary activities. Davitt and Charles Stewart Parnell were the leading figures in the organization of the National Land League in 18...
Read more
|
|
Jay's Treaty
Jay's Treaty concluded in 1794 between the United States and Great Britain to settle difficulties arising mainly out of violations of the Treaty of Paris of 1783 and to regulate commerce and navigation.
Negotiations
War threatened when the British admiralty ordered the seizure of American...
Read more
|
|
political science
political science the study of government and political processes, institutions, and behavior. Government and politics have been studied and commented on since the time of the ancient Greeks. However, it is only with the general systematization of the social sciences in the last 100 years that po...
Read more
|