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.
â¢ ALKALI (noun). The noun ALKALI has 2 senses: 1. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water. 2. a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.Familiarity information: ALKALI used as a noun is rare.Dictionary entry details.. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water. 2. a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture.