Heart valve dysplasia is a congenital heart defect which in dogs and cats affects the aortic, pulmonary, mitral, and tricuspid heart valves. Pulmonary valve stenosis and aortic valve stenosis are discussed separately. Dysplasia of the mitral and tricuspid valves can cause leakage of blood or stenosis. read full article…
Pet Health Category
Trichiasis is a medical term for ingrown eyelashes. This can be caused by infection, inflammation, autoimmune conditions, and trauma such as burns or eyelid injury.
Standard treatment involves destruction of the affected eyelashes with electrology, specialized laser, or surgery. read full article…
The Trapezius muscles are a set of muscles found in cats. They are three thin flat muscles that cover the back, and to a lesser extent, the neck. They pull the scapula toward the mid dorsal line, anteriorly, and posteriorly. read full article…
Tracheal collapse is a condition characterized by incomplete formation or weakening of the cartilagenous rings of the trachea. It can be congenital or acquired, and extrathoracic or intrathoracic. Tracheal collapse is most commonly found in small dog breeds, including the Chihuahua, Pomeranian, Toy Poodle, Shih Tzu, Lhasa Apso, Maltese and Yorkshire Terrier. read full article…
Toxocariasis is a parasitic infection with the dog or cat roundworm, Toxocara canis or Toxocara cati, respectively. Ingestion of these worms causes the condition, visceral larval migrans (VLM). read full article…
Tick is the common name for the small arachnids that, along with mites, constitute the order Acarina. Ticks are ectoparasites (external parasites), living by hematophagy on the blood of mammals, birds, and occasionally reptiles and amphibians. Ticks are important vectors of a number of diseases. read full article…
Synchysis scintillans is a degenerative condition of the eye resulting in liquified vitreous humor and the accumulation of cholesterol crystals within the vitreous. It is also known as cholesterosis bulbi. The vitreous liquifies in a process known as syneresis. Synchysis scintillans appears as small white floaters that freely move in the posterior part of the eye, giving a snow globe effect. It is most commonly seen in eyes that have suffered from a degenerative disease and are end-stage. read full article…
The supratrochlear foramen is a small hole located above the trochlea of the humerus of larger dog species. It is covered by a layer of connective tissue. read full article…
Sudden acquired retinal degeneration (SARD) is a disease in dogs causing sudden blindness. It can occur in any breed. The cause is unknown, but possibly involves either autoimmune disease, a toxin, or Cushing’s disease.[1] Symptoms include sudden permanent blindness, dilated pupils, and loss of the pupillary light reflex. read full article…
Strychnine (pronounced /strkniːn/ (British) or /strknan/ (U.S.)) is a very toxic (LD50 = 1 mg/kg), colorless crystalline alkaloid used as a pesticide, particularly for killing small vertebrates such as rodents. Strychnine causes muscular convulsions and eventually asphyxia or sheer exhaustion. The most common source is from the seeds of the Strychnos nux-vomica tree. Strychnine is one of the most bitter substances in the world. Its taste is detectable in concentrations as low as 1 ppm. read full article…