Hematocrit is a blood test that measures the percentage of the volume of whole blood that is made up of red blood cells. This measurement depends on the number of red blood cells and the size of red blood cells.
Definition of profound for Students. 1  1 : having or showing great knowledge and understanding a profound thinker. 2  2 : very deeply felt profound sorrow.
Definition of descend. 1  intransitive verb. 2  1 : to pass from a higher place or level to a lower one descended from the platform. 3  2 : to pass in discussion from what is logically prior or more comprehensive descends from the general to the specific.