This is a condition of bone brittleness or softening of bone found usually in adult life.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Doubtless this very generosity of contribution only served to impart brittleness to the bell.
"Due North or Glimpses of Scandinavia and Russia"
Maturin M. Ballou
The brittleness of the plant as well as the presence of these groups of vesiculose cells is shared by the genus Russula, which is at once separated from Lactarius by the absence of a juice which exudes in drops.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc."
George Francis Atkinson