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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]
Canine follicular dysplasia. Follicular dysplasia is a genetic disease of dogs causing alopecia, also called hair loss. It is caused by hair follicles that are misfunctioning due to structural abnormality. There are several types, some affecting only certain breeds. Diagnosis is achieved through a biopsy, and treatment is rarely successful.
Specialty. Dermatology. Albinism is a congenital condition characterized in humans by the partial or complete absence of pigment in the skin, hair and eyes. Albinism is associated with a number of vision defects, such as photophobia, nystagmus, and amblyopia. Lack of skin pigmentation makes for more susceptibility to sunburn and skin cancers.
A dog with skin irritation and hair loss on its leg caused by demodectic mange. Infectious skin diseases of dogs include contagious and non-contagious infections or infestations. Contagious infections include parasitic, bacterial, fungal and viral skin diseases. One of the most common contagious parasitic skin diseases is Sarcoptic mange (scabies).
Albinism is the congenital absence of melanin in an animal or plant resulting in white hair, feathers, scales and skin and reddish pink or blue eyes. [ 1][ 2] Individuals with the condition are referred to as albinos . Varied use and interpretation of the terms mean that written reports of albinistic animals can be difficult to verify.
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 ...
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 .
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 ...