Valve replacement, Biology

Assignment Help:

Valve Replacement

Replacement of the diseased valve is done. This is done biologic tissue valves or mechanical valves. Three types of biologic tissue valves are used.

Autograft :

In this, tissues of the same persons is used to make a valve or a valve itself is used e.g. pulmonary valve of a patient is taken and placed on the diseased aortic valve and the valve structure prepared from the pericardium is placed as pulmonary valve. (Ross procedure) 

Allograft :

A valve taken from a dead human after processing is used for replacing the diseased valve of another human being (tissue of
one species used for another of the same species).

Xenograft :

Valves taken from pig or pericardial tissue of calves after processing (porcupine and bovine valves).


Related Discussions:- Valve replacement

Palynofossils (microfossils), Palynofossil s (Microfossils) - Fossils ...

Palynofossil s (Microfossils) - Fossils of planktons, diatoms, unicellular algae (diatoms) and shelled protozoans. (Heliozoans, Radiolarian and Foraminifera). Its finding in s

Define eggs as a rich source of protein, Define Eggs as a rich source of pr...

Define Eggs as a rich source of protein? Roughly, the chicken egg consists of 11% shell, 31% yolk and 58% white. Liquid whole egg consists of 65% white and 35% yolk. The primar

History of ecology, History of Ecology The roots of ecology lie in Natu...

History of Ecology The roots of ecology lie in Natural History, which is as old as human civilisation itself. As a matter of fact man indulged in ecology in a practical sort of

What are restriction enzymes, What are restriction enzymes? How do these en...

What are restriction enzymes? How do these enzymes participate in the recombinant DNA technology? The Restriction enzymes, or restriction endonucleases, are enzymes specialized

Molecular biology on which dna fingerprint is based, What is the fact of Mo...

What is the fact of Molecular Biology on which DNA fingerprint is based? The DNA fingerprint, the method of individual identification using DNA, is based on the fact that the D

Define the enumeration of food microbiota, Define the Enumeration of Food M...

Define the Enumeration of Food Microbiota? Quality of food depends on its physical, chemical, microbiological and sensory quality. The examination of food for the type and numb

Maintain nutrition in diarrhoea, Maintain nutrition Your responsibilit...

Maintain nutrition Your responsibility as a nurse is to take care of nutrition and prevent the child from starvation. Breast feeding'should be continued during the diarrhoea e

Explain why this essential that muscle cells, Explain why it is essential t...

Explain why it is essential that muscle cells, during anaerobic respiration, convert pyruvic acid (pyruvate) into lactic acid, even though the conversion results in an accumulation

Pulsatile perfusion-type of blood pump, Pulsatile Perfusion: Conventional...

Pulsatile Perfusion: Conventional pumps give continuous flow with very little pulsatile property. Pulsatile perfusion is likely to result in better post operative renal and cardi

02, what is the effect of insuline in body ?

what is the effect of insuline in body ?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd