Definition of Anal Sac Disease
Dogs, like other carnivores, have a pair of small sacs on either side of their anus (commonly called the “butt hole”), which is the end of the digestive tract. These anal glands produce a smelly, yellowish-gray to brownish...
Black Skin Disease in Dogs (Alopecia X)
Definition of Black Skin Disease
“Black skin disease,” also called Alopecia X, growth-hormone-responsive alopecia and adrenal sex-hormone imbalance, is a hormonally-influenced, progressive loss of hair and darkening of skin in adolescent and young...
Canine Alopecia (Dog Hair Loss)
Definition of Alopecia
Hair loss, technically called “alopecia,” is broadly defined as any deficiency in a dog’s normal hair coat. Alopecia doesn’t refer only to hair loss; it also includes coat defects from failure of hair to grow in the first place....
Allergies in Dogs (Canine Hypersensitivities)
Definition of Allergies
Allergies, also known as hypersensitivities, are acquired overreactions by a dog’s immune system to something that it perceives as being foreign and potentially dangerous, called an “allergen.” Common canine allergens are food...
Adrenal Gland Tumors in Dogs - Definition
Definition
Adrenal tumors, often associated with hyperadrenocorticism or Cushing’s Disease, are lumps on one or both of the adrenal glands, located in the abdomen just above the kidneys. What causes adrenal tumors is not well-understood. In dogs, these...
