Adj. 1. patrilineal-based on or tracing descent through the male line; a patrilineal society. patrilinear. lineal, direct-in a straight unbroken line of descent from parent to child; lineal ancestors; lineal heirs; a direct descendant of the king; direct heredity.Translations.. patrilineal-based on or tracing descent through the male line; a patrilineal society. patrilinear. lineal, direct-in a straight unbroken line of descent from parent to child; lineal ancestors; lineal heirs; a direct descendant of the king; direct heredity. Translations.
Also called leukocytes, white blood cells play an important role in the immune system by identifying, destroying, and removing pathogens, damaged cells, cancerous cells, and foreign matter from the body. Leukocytes originate from bone marrow stem cells and circulate in blood and lymph fluid.
Function: Cleaning your blood, destroying old red blood cells and fighting infection. Filtering blood. Your spleen acts as a filter for your blood, cleansing it of bacteria, viruses and other debris. When blood flows through your spleen, white blood cells attack and remove any foreign invaders. This keeps your blood clean and helps protect you against infection.