Answers.comÂ® is making the world better one answer at a time. Arachnophobia, the abnormal fear of spiders derives from the Greek words arakhne, meaning spider and phobos meaning fear.
Hemoglobin (/ËhiËmÉËÉ¡loÊbáµ»n, ËhÉ-, -moÊ-/); also spelled haemoglobin and abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates (with the exception of the fish family Channichthyidae) as well as the tissues of some invertebrates.
Hemoglobin Test. Definition. Hemoglobin is a protein inside red blood cells that carries oxygen throughout the body. A hemoglobin test reveals how much hemoglobin is in a person's blood, helping to diagnose and monitor anemia and polycythemia vera. A hemoglobin test is done when a person is ill or during a general physical examination.