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The Mentzer index, described in 1973 by William C. Mentzer, [1] is the MCV divided by the RBC count. It is said to be helpful in differentiating iron deficiency anemia from beta thalassemia trait.
Hemoglobin in the blood carries oxygen from the respiratory organs (lungs or gills) to the other tissues of the body, where it releases the oxygen to enable aerobic respiration which powers an animal's metabolism. A healthy human has 12 to 20 grams of hemoglobin in every 100 mL of blood. Hemoglobin is a metalloprotein, a chromoprotein, and ...
Pale skinned women will develop browner and yellower skin during pregnancy, as a result of the increase of estrogen, known as the "mask of pregnancy". [39] Estrogen may explain why women have darker eyes than men, and also a lower risk of skin cancer than men; a European study found that women generally have darker skin than men. [40] [41] Lung ...
16 April: Scientists report that during their breeding season male ring-tailed lemurs exude three pheromones during breeding season in a testosterone-dependent manner. [117] 16 April Australia's Morrison government announces the launch of the research and development phase of its Reef Restoration and Adaptation Program after a two-year ...
[371] [372] One meta-analysis found that globally, men were more likely to get COVID‑19 than women; there were approximately 55 men and 45 women per 100 infections (CI: 51.43–56.58). [ 373 ] The Chinese Center for Disease Control and Prevention reported the death rate was 2.8% for men and 1.7% for women. [ 374 ]