- hemoglobin Portland
- a normal hemoglobin present in the fetus late in the first trimester of pregnancy, consisting of zeta and gamma chains (ζ2γ2); it disappears in utero.
Medical dictionary. 2011.
Medical dictionary. 2011.
Hemoglobin — Hemoglobin, human, adult (heterotetramer, (αβ)2) Structure of human hemoglobin. The protein s α and β subunits are in red and blue, and the iron containing heme groups in green. Fro … Wikipedia
Hemoglobin — The oxygen carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an unstable, reversible bond with oxygen. In its oxygenated state it is called oxyhemoglobin and is bright red. In the reduced state it is called… … Medical dictionary
Hemoglobina Portland — La hemoglobina Portland es una hemoglobina normal presente en el feto al final del primer trimestre del embarazo. Durante el desarrollo embrionario y fetal existen cuatro hemoglobinas principales: Hb Gower 1; Hb Gower 2; Hb Portland y Hb F.… … Wikipedia Español
ζ chain — a globin chain of 141 amino acids, found in embryonic hemoglobin such as hemoglobin Gower and hemoglobin Portland … Medical dictionary
ε chain — a globin chain found in embryonic hemoglobin Gower and hemoglobin Portland … Medical dictionary
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