They then divide into ascending and descending fibers. Considerable differences aid in distinguishing the descending and ascending limbs of the loop of Henle. These conditions are dangerous to ascending and descending airplanes. Calibration is conducted incrementally starting working in ascending or descending order. Canyoning is an activity which involves climbing, descending, jumping and trekking through canyons. It branches into two arteries, the left anterior descending and the left circumflex. The reverse happened when descending and slowing down. Afternoon is a time when the sun is descending from its daytime peak. See for a discussion of the limitations of this type of "hill descending" algorithm. The hypoblast starts proliferating laterally and descending. The overall medal rank is displayed below after points in descending order. I also used this procedure in the "Nude Descending a Staircase". The voices sing a motif of descending triads. The captain advised the controller that the aircraft was descending through to . Then came a series of descending zigzags.