If your horse is exhibiting signs of colic, weight loss, or diarrhea, your veterinarian might reach for an ultrasound probe to get a glimpse of what is going on inside the animal's abdomen. Some ...

A lymph node biopsy is a test that checks for disease in your lymph nodes. Lymph nodes are small, oval-shaped organs located in different parts of your body. They’re found close to internal organs ...