descending; downward
Technical term used in fields like anatomy, physiology, or engineering to describe a downward direction or movement. As a noun or adjectival noun, it often appears in compound terms such as 下行結腸 (descending colon) or 下行性 (descending nature).
The descending colon is a part of the large intestine.
This nerve has a descending pathway.
descending colon
descending aorta
descending palatine artery
Compound of 下 (down, below) and 行 (go, travel). The reading かこう is the on'yomi of both characters.