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Mechanical Valves
They are made of a combination of metal alloys, pyrolite carbon and dacron.
Types of Mechanical Valves
Caged-ball Valve (Star-Edwards)
A metal cage with several struts mounted in a circular ring, hollow metal or plastic ball inside cage. Durability is high, but possibility of blood clots forming on or around the valve with the risk of embolism is high.
Tilting Disc Valve (Bjork-Shiley Medtronic Hall)
Mobile lens shaped disc attached to a circular sewing ring by two offset transverse struts. This has high durability and efficiency.
Bileaflet Valve
Two pivoting semi-circular discs that open centrally, mounted
(St. Jude)
Directly onto a sewing ring.
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The original DNA sequence when ,transcribed and translated would yield five successive valine residues. But the altered sequence would correspondingly read one aspartate and four s
Q. Is the epithelium vascularized? How do oxygen and nutrients reach the epithelium? Why is this feature an important evolutionary acquisition? Epithelia are not vascularized c
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Life cycle of malarial parasite When the mosquito sucks the blood, gametocytes enter its digestive system. They migrate into the walls of the digestive system and undergo
Factors Affecting Osseointegration a) Biocompatibility of the material b) Surgical technique- c) Bone density - d) Occlusal load e) Infection f) Implant surface
Define endocytosis of GLUT4 Transporters Person X is a healthy human who has volunteered to take experimental drug Y. Person X has a normal dinner at 6 PM on April 1 and then
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