Lung infection with the fungus Coccidioides immitis. The fungus is common in the sands of the deserts of the southwest, including the San Joaquin valley in California, after which it was named. Also called coccidiomycosis.
1. The Valsalva maneuver in which a person tries to exhale forcibly with a closed glottis (windpipe) so that no air goes out through the mouth or nose. 2. The renowned Italian anatomist, pathologist, physician, and surgeon Antonio Maria Valsalva (1666-1723) who first described the maneuver.
- Valsalva maneuver
A maneuver in which one tries with force to exhale with the windpipe closed, impeding the return of venous blood to the heart.
- Valsalva, Antonio Maria
Italian anatomist and pathologist, physician and surgeon (1666-1723), perhaps best known for the Valsalva maneuver. Valsalva described and depicted even the smallest muscles and nerves of the ear, subdividing the ear into its internal, middle, and external parts, and he showed an original method of inflating the middle ear (Valsalva maneuver). Valsalva coined the term […]
- Valve, aortic
One of the four valves in the heart, this valve is situated at exit of the left ventricle of the heart where the aorta (the largest of all arteries) begins. The aortic valve lets blood from the left ventricle be pumped up (ejected) into the aorta but prevents blood once it is in the aorta […]
- Valve, bicuspid
One of the four valves of the heart, this one is situated between the left atrium and the left ventricle. It permits blood to flow one way only, from the atrium into the ventricle. The valve is more commonly called the mitral valve because its two flaps (cusps) makes it look like a bishop’s miter […]