The predominant form of hemoglobin in a fetus and a newborn. Normally present in small amounts in an adult, it may be abnormally elevated in certain forms of anemia.Hemoglobin F
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 …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.