Osteochondrosis Dessicans (OCD)
From the Southern California Surgical Group. Excellent, easy-to-understand descriptions and diagrams explaining this "growing pains" disease in young dogs.

Osteosarcoma - A Review
None of the graphics would display, but this site has good statistical information on osteosarcoma. (See also: Cancer)

Osteosarcoma - General Overview
Definition, diagnosis, and treatment options for this malignant type of bone cancer explained in an easy-to-understand format. (See also: Cancer)

Osteosarcoma - Personal Account
A personal account of osteosarcoma in a greyhound. (See also: Cancer)

Otitis Externa
Discussion on this condition, commonly known as an ear infection, by Tate Allen, DVM.

Otitis Externa
Photo tutorial on how to properly restrain a pet for cleaning the ears, and how to clean the ear canals.

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