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Olfactory receptors ( ORs ), also known as odorant receptors, are chemoreceptors expressed in the cell membranes of olfactory receptor neurons and are responsible for the detection of odorants (for example, compounds that have an odor) which give rise to the sense of smell. Activated olfactory receptors trigger nerve impulses which transmit ...
Myiasis. Myiasis ( / maɪ.ˈaɪ.ə.səs / my-EYE-ə-səss [1] ), also known as flystrike or fly strike, is the parasitic infestation of the body of a live animal by fly larvae ( maggots) that grow inside the host while feeding on its tissue. Although flies are most commonly attracted to open wounds and urine - or feces -soaked fur, some species ...
Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about ...
Dermatology. Telangiectasias, from Greek: tel- (end) + angi- ( blood or lymph vessel) + ectasia (the expansion of a hollow or tubular organ), also known as spider veins, are small dilated blood vessels [1] that can occur near the surface of the skin or mucous membranes, measuring between 0.5 and 1 millimeter in diameter. [2] These dilated blood ...
Staphylococcus aureus. Colorized scanning electron micrograph of a human neutrophil ingesting MRSA. Methicillin-resistant Staphylococcus aureus ( MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus. MRSA is responsible for several difficult-to-treat infections in humans.
A dog that is recessive red cannot produce eumelanin (black) pigment in their fur. Since Liver is a dilution of black pigment, a recessive red Liver dog will appear to be a shade of Red, Yellow, or Cream depending on the intensity of the dog's phaeomelanin (red) pigment. A recessive red Liver will still be born with a Liver nose and amber ...
"Dudley nose" is a dog with a loss of pigment on its nose. Typically, the pigment loss on Dali's nose is in the middle and spreads outward, covering almost the entire nose of some dogs. Dudley's nose will never completely lose its pigment, nor will it be as bright pink as a butterfly's or even a liver dog's.
Rhinophyma is characterised by prominent pores and a fibrous thickening of the nose, sometimes with papules. It is associated with the common skin condition rosacea and it can be classified clinically into 5 grades of increasing severity. Complications. Tissue thickening may come to cause airway obstruction and impede breathing.