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Atopy is a hereditary [ 3] and chronic (lifelong) allergic skin disease. Signs usually begin between 6 months and 3 years of age, with some breeds of dog, such as the golden retriever, showing signs at an earlier age. Dogs with atopic dermatitis are itchy, especially around the eyes, muzzle, ears and feet. In severe cases, the irritation is ...
Chédiak–Higashi syndrome. Chédiak–Higashi syndrome[ 1] ( CHS) is a rare autosomal recessive disorder that arises from a mutation of a lysosomal trafficking regulator protein, [ 2] which leads to a decrease in phagocytosis. The decrease in phagocytosis results in recurrent pyogenic infections, albinism, and peripheral neuropathy .
Thiamine deficiency. Thiamine deficiency is a medical condition of low levels of thiamine (vitamin B 1 ). [ 1] A severe and chronic form is known as beriberi. [ 1][ 7] The name beriberi was possibly borrowed in the 18th century from the Sinhalese phrase බැරි බැරි (bæri bæri, “I cannot, I cannot”), owing to the weakness ...
Nystagmus as seen in a case of ocular albinism. The cause of pathological nystagmus may be congenital, idiopathic, or secondary to a pre-existing neurological disorder.It also may be induced temporarily by disorientation (such as on roller coaster rides or when a person has been spinning in circles) or by some drugs (alcohol, lidocaine, and other central nervous system depressants, inhalant ...
Horizontal optokinetic nystagmus. The optokinetic reflex ( OKR ), also referred to as the optokinetic response, or optokinetic nystagmus (OKN), is a compensatory reflex that supports visual image stabilization. [ 1] The purpose of OKR is to prevent image blur on the retina that would otherwise occur when an animal moves its head or navigates ...
The most noticeable symptom of stud tail in dogs is a greasy, smelly patch at the top of the tail, near the base. You might also observe: Loss of hair in the affected area. Crusting or scaling ...
Chronic Kidney Disease (CKD) in dogs is a progressive, long-term condition in which the kidneys gradually lose their ability to function effectively. It is a common health concern that can affect ...
Oculocutaneous albinism is a form of albinism involving the eyes ( oculo- ), the skin ( - cutaneous ), and the hair. [ 1] Overall, an estimated 1 in 20,000 people worldwide are born with oculocutaneous albinism. [ 1] OCA is caused by mutations in several genes that control the synthesis of melanin within the melanocytes. [ 2]