Stones

STONES Animals may produce stones in various organs such as kidneys, urinary bladder, but the most frequently in the intestines. They are called "hair ball " or "bezoar". They can be very voluminous. These stones are made of vegetal fibers, haires and calcium. They are often very well tolerated.
	Intestinal stone found in the colon of a horse (19th century)
00 000	Intestinal stones found the small intestine of a horse (19th century)
	Stone of the parotid duct of a jenny (19th century)
	Bezoars of the rumen of the cow (19th century)