Of its numerous affluents the most important is the Sil, which rises among the lofty mountains between Leon and Asturias.
The Milesians on the other hand named themselves after an historical ancestor employing terms such as descendants," eland " children," dal " division," cinel, " kindred," or sil, " seed."
On the north-west the valley of the Sil and a series of valleys farther south, along both of which military roads have been carried from an early period, open tip comrntinication between Leon and the hill country of Galicia, which explains why this province was united to Leon even before the conquest of Portugal from the Moors.
Eleven women had low-grade SIL while nine women had high-grade SIL.
T issue analysis by the pathologist divides precancerous changes into low grade or high grade squamous intraepithelial lesions (SIL ).