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valley fever
See coccidiodomycosis.
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vascular
Pertaining to blood vessels.
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ventilator
An automatic mechanical device designed to provide all or part of the work the body must produce to move gas into and out of the lungs for patients who are unable to breathe (e.g. during general anesthesia) or have difficulty breathing. During general anesthesia, a tube is placed in the patient's windpipe (process called intubation) and connected to the ventilator to supply air to the lungs. In an anesthesia circuit the bag/bellows on the ventilator are used to determine the size/pressure and rate of breaths and can easily be adjusted depending on patient status.
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ventral
Denoting a position toward the front or underside.
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vertebral canal
See spinal canal.
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vertebral column
See spine.
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vertebral osteomyelitis
Inflammation of the vertebra, without concurrent disk infection, usually caused by either a bacteria or fungus.
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vestibular apparatus
The portions of the inner ear (vestibule and three semicircular canals) that work, as part of the vestibular system, with the brain to maintain the body’s orientation in space, balance, and posture.
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vestibular system
The vestibular system senses the position of the head and body in space, in relation to gravity and movement. Maintains balance and coordinates eye movements with movement of the head. The receptors for the vestibular system are located in the inner ear, adjacent to the hearing receptors. Vestibular information is transmitted from the innear ear via the vestibulocochlear nerve to the lower portion of the brain where it is processed by the brainstem and cerebellum.
►click here to learn more-link provided by: University of Minnesota, College of Veterinary Medicine
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virus
A virus is a minute infectious agent (about 100 times smaller than bacteria) that cannot be seen under a light microscope. They lack independent metabolism, are only able to replicate within the host cell, carry either DNA or RNA as their genetic material, and are protected by a protein coat. The body's immune system is usually able to eliminate harmful viruses and vaccines provide immunity to a particular viral infection. Antibiotics have no effect on viruses but antiviral medications suppress replication.
►click here to learn more-link provided by: www.merckvetmanual.com
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