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Feline corneal sequestrum (also known as feline corneal necrosis) [1] is the development of dark areas of dead tissue in the cornea of domestic cats. [2] [3] [4] This disease is painful to the cat, although it develops slowly over a longer period of time.
Lentigo in cats is a common dermatological condition characterized by the presence of small, flat, brownish spots on the skin — particularly around the lips, nose, and eyelid margins. Unlike in ...
The nictitating membrane of a masked lapwing as it closes over the left eye, originating from the medial canthus. The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus to protect and moisten it while maintaining vision.
An important infectious skin disease of cats is ringworm, or dermatophytosis.Other cat skin infections include parasitic diseases like mange and lice infestations.. Other ectoparasites, including fleas and ticks, are not considered directly contagious but are acquired from an environment where other infested hosts have established the parasite's life cycle.
Cats have a third eyelid, the nictitating membrane, which is a thin cover that quickly closes from the side when the cat blinks and is hidden when the cat's eyelid opens. [8] This third eyelid extends upward to protect the eye from trauma, like when moving through tall grass or capturing a prey. [8]
It has been noted that affected cats tend to be dominating rather than submissive; some research argues that feline hyperesthesia syndrome is a form of conflict displacement, rather than just a form of general behavioural displacement, wherein the affected cat acts out thwarted territorial disputes on its own body. [9]
Dora and Felix were born without eyelids, and without corrective surgery, the kittens were likely to go blind within a year. Surgery helps cats born without eyelids see bright future Skip to main ...
Scheme showing sympathetic and parasympathetic innervation of the pupil and sites of a lesion in Horner's syndrome. Horner's syndrome is usually acquired as a result of disease, but may also be congenital (inborn, associated with heterochromatic iris) or iatrogenic (caused by medical treatment). In rare cases, Horner's syndrome may be the ...