Search results
Results From The WOW.Com Content Network
Hemoglobin Portland II (also referred to as ζ 2 β 2 or HbE Portland-2) is a form of hemoglobin existing at low levels during embryonic and fetal life, composed of two zeta chains and two beta chains.
Spherocytosis is the presence of spherocytes in the blood, i.e. erythrocytes (red blood cells) that are sphere-shaped rather than bi-concave disk shaped as normal. Spherocytes are found in all hemolytic anemias to some degree.
A human peripheral blood smear; NRBCs are visible as larger cells with dark centers.. A nucleated red blood cell (NRBC), also known by several other names, is a red blood cell that contains a cell nucleus.
The normal values for infants are about twice as high as for adults, which is the result of their relatively short legs. [citation needed] It does not need to be adjusted for age after adolescence. [6] It has also been shown to have a lower false positive rate in athletes. [12]
A normal Haller index should be about 2.5. Chest wall deformities such as pectus excavatum can cause the sternum to invert, thus increasing the index. [6] [7] In severe asymmetric cases, where the sternum dips below the level of the vertebra, the index can be a negative value. [8]