More astonishing than the difference between the length of the lists of Old World's and New World's domesticated animals is the difference between the lengths of the lists of infectious diseases native to the two.
Fetal Hemoglobin Test. Definition. Fetal hemoglobin (Hemoglobin F), Alkali-resistant hemoglobin, HBF (or Hb F), is the major hemoglobin component in the bloodstream of the fetus. After birth, it decreases rapidly until only traces are found in normal children and adults. Purpose.
Definition of immune - resistant to a particular infection or toxin owing to the presence of specific antibodies or sensitized white blood cells, protect Definition of immune - resistant to a particular infection or toxin owing to the presence of specific antibodies or sensitized white blood cells, protect dictionary thesaurus