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The Vacanti mouse. The Vacanti mouse was a laboratory mouse (circa 1996) [1] that had what looked like a human ear grown on its back. The "ear" was actually an ear-shaped cartilage structure grown by seeding cow cartilage cells into biodegradable ear-shaped mold and then implanted under the skin of the mouse, with an external ear-shaped splint to maintain the desired shape.
Vacanti claimed that February to have replicated the effect in human skin fibroblast cells, [24] and said "We believe that this is exactly what happens in the body during attempts to repair any damaged or diseased tissue". [25] Vacanti said in 2012 he had used the technique to grow a replacement trachea using autologous cells from a patient. [23]
The inner ear sensory epithelium is highly conserved among vertebrates, which gives hope that animal models, especially mammal models such as mice, are very applicable to clinical use in humans. [33] The development of human therapies require research in human mammalian cells, perhaps inner ear epithelial organoids.
These DNA kits for dogs give you way more information than your dog’s breed composition. Many of the kits can be upgraded to include more health and trait testing or allergy and age tests.
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Signs of ear infection include shaking of the head, and scratching at or under the ear. Some animals may also paw the ear or try to rub it on other objects to relieve pain and discomfort. Ear infections often result in a darker red ear, dirt in the ear, or a general inflamed appearance. Chronic allergic otitis externa in a dog with atopic ...
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