A group of abnormal hemoglobins in which a single amino acid substitution favors the formation of methemoglobin and is thus associated with methemoglobinemia.
What’s The Difference Among Ghouls, Goblins, And Ghosts?Come Halloween, miniature ghosts, ghouls, and goblins ring your doorbell. But each of the three freaky frights has a different history and personality. One of the only features these staples of the supernatural share is their ghastliness. Ghosts are considered to be the souls of the dead. They are imagined as disembodied spirits, and are often visualized as vague or evanescent forms; hence, the white sheet routine. The Old English gast …
Here’s When To Capitalize WordsThere are a few specific cases where words should be capitalized. They’re easy to remember. In English, capital letters are most commonly used at the start of a sentence, for the pronoun I, and for proper nouns. The First Word of a Sentence You should always capitalize the first letter of the first word in a sentence, no matter what the word is. Take, for …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.