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.
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.