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A nosebleed (epistaxis) usually occurs in the anterior part of the nose from an area known as Kiesselbach's plexus which consists of arteries. Woodruff's plexus is a venous plexus in the posterior part and a nosebleed here accounts for only between 5 and 10 per cent of nosebleeds. Older adults are most often affected. [6]
epistaxis (combined with post-nasal drip) Hemoptysis or haemoptysis is the discharge of blood or blood-stained mucus through the mouth coming from the bronchi , larynx , trachea , or lungs . It does not necessarily involve coughing.
A nosebleed, also known as epistaxis, is an instance of bleeding from the nose. [1] Blood can flow down into the stomach, and cause nausea and vomiting . [ 8 ] In more severe cases, blood may come out of both nostrils . [ 9 ]
Epistaxis (blood coming from one or both nostrils) is much less common, occurring in 0.25–13% of cases. [1] [9] In a survey of over 220,000 horse starts in UK Flat and National Hunt (jump) racing, 185 cases of epistaxis were identified (0.83 per 1000 starts). Similar frequencies have been reported in Japan (1.5 per 1000 starts) and South ...
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An example of epistasis is the interaction between hair colour and baldness. A gene for total baldness would be epistatic to one for blond hair or red hair.The hair-colour genes are hypostatic to the baldness gene.
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Respiratory sounds, also known as lung sounds or breath sounds, are the specific sounds generated by the movement of air through the respiratory system. [1] These may be easily audible or identified through auscultation of the respiratory system through the lung fields with a stethoscope as well as from the spectral characteristics of lung sounds. [2]