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Cats, as well as dogs with erect ears that have control over ear direction, may be seen with one or both ear pinnas held at an odd or flattened angle. The most common lesion associated with ear mites is an open or crusted ("scabbed") skin wound at the back or base of the ear, caused by abrasion of the skin by hind limb claws, as the ear has ...
Canine histiocytoma cytology. A histiocytoma originates from epidermal Langerhans cells of antigen-presenting cell lineage. [4] Spontaneous regression is common in these tumors, and it is mediated by infiltration of CD8-expressing T cells followed by expression of Type 1 T helper cell cytokines (such as Interferon-gamma) and recruitment of antitumour effector cells.
Dogs have ear mobility that allows them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate, raise, or lower a dog's ear. A dog can identify a sound's location much faster than a human can, as well as hear sounds at four times the distance. [41] Dogs can lose their hearing from age or an ear infection. [42]
Vaginal cytology is a microscopic examination of cells from the vaginal epithelium.In veterinary medicine, it helps differentiate the stages of the mammalian estrous cycle because the vaginal epithelium changes in response to sex hormone levels; practically, it is used to distinguish when a female canine is at a particular point in the estrous cycle. [1]
To understand why a dog's coat looks the way it does based on its genes requires an understanding of a handful of genes and their alleles which affect the dog's coat. For example, to find how a black and white greyhound that seems to have wavy hair got its coat, the dominant black gene with its K and k alleles, the (white) spotting gene with ...
Canidae is a family of mammals in the order Carnivora, which includes domestic dogs, wolves, coyotes, foxes, jackals, dingoes, and many other extant and extinct dog-like mammals. A member of this family is called a canid; all extant species are a part of a single subfamily, Caninae, and are called canines. They are found on all continents ...
The swab takes up most of the photograph, and places the earwax in a very unnatural position. The earwax, which this photograph tries to illustrate, is just an amber spread of jelly tangled in the fibres of a swab, not to mention that the actual wax takes up far less than 1000 pixels in any direction.
Ear mites are microscopic members of the species Otodectes cynotis. Symptoms include itching, inflammation, and black debris in the ear. [34] Cheyletiellosis is a mild pruritic skin disease caused by Cheyletiella yasguri. Humans can be transiently infected. [34] Chiggers*, also known as harvest mites, can cause itching, redness and crusting of ...