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The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many
Rubella rash in a young child. Rubella is also called 3-day measles or German measles.
Brushing off to finish-front. Move to the front and place the person’s hands on his or her knees. ...