Final answer:
A staghorn stone is a type of kidney stone that lodges and continues to grow in the urinary tract. It is composed of calcium and other minerals that form solid masses. Medical intervention may be necessary to remove these stones.
Step-by-step explanation:
In biology, a staghorn stone is one that lodges and continues to grow in the urinary tract. It is a type of kidney stone that can block the flow of urine and cause severe pain and discomfort.
Staghorn stones are usually composed of calcium and other minerals that precipitate out of the urine and form solid masses. These stones can grow larger over time if not treated, and may require medical intervention to remove them.