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[2] [4] [6] [7] The syndrome usually appears in cats after they've reached maturity, with most cases first arising in cats between one and five years old. [1] [2] [4] The condition is most commonly identified by frantic scratching, biting or grooming of the lumbar area, generally at the base of the tail, and a rippling or rolling of the dorsal ...
The phenomenon of enophthalmos is seen in Horner's syndrome in cats, rats, and dogs. [5] Sometimes there is flushing on the affected side of the face due to dilation of blood vessels under the skin. The pupil's light reflex is maintained as this is controlled via the parasympathetic nervous system. [citation needed]
Staring is one way cats communicate with their owners. ... If your cat stares at you with its tail swishing, pupils dilated, and flattened ears, this indicates that the cat is upset. In this case ...
Dysautonomia is primarily seen in cats. Symptoms include vomiting, depression, anorexia, weight loss, dilated pupils, third eyelid protrusion, sneezing, slow heart rate, and megaesophagus. The prognosis is poor and supportive treatment is necessary. Recovery in cats may take up to one year. [10]
Affected cats may also display poor judgement of distance, and some cats may develop a rapid, crouching, hypermetric gait. Some affected cats may exhibit an abnormal head tilt, tremors, a vacant stare, excessive salivation, decreased grooming behaviors, polyphagia, and dilated pupils. [3]
A contracted pupil during sleep may be an indication the brain is replaying new memories while a dilated one may hint at older memories being relived, a new study suggests.. The study, published ...
Dilation and constriction of the pupil Pupillary response is a physiological response that varies the size of the pupil between 1.5 mm and 8 mm, [ 1 ] via the optic and oculomotor cranial nerve. A constriction response ( miosis ), [ 2 ] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates / opioids or ...
The extraneous pupil is c. 2.5mm away from the principal pupil. In cases of true polycoria there is an intact sphincter muscle, which contracts and dilates the pupils. [5] In an eye without polycoria, the sphincter muscle is a part of the iris that functions to constrict and dilate the pupil.