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

Asexual reproduction, Asexual Reproduction Asexual reproduction is als...

Asexual Reproduction Asexual reproduction is also known agamic reproduction because there is no involvement of gametes in it. Asexual methods of reproduction are

Nursing process - chronic bronchitis, Nursing Process History ...

Nursing Process History Character of onset and duration of cough, sputum production, dyspnea, pain in right upper quarant.  Smoking history.  Past illness -

Show the structure of the adult fern, Q. What is the structure of the adult...

Q. What is the structure of the adult fern within which cells undergoing meiosis can be found? In these plants meiosis takes place within structures known as sorus (plural, sor

What are the cells that form the cartilaginous tissue, Q. What are the cell...

Q. What are the cells that form the cartilaginous tissue? The main cells of the cartilages are the chondrocytes originated from the chondroblasts that secrete the intersticial

What is hydrogenqted fat, Q. What is Hydrogenqted Fat? All vanaspati pr...

Q. What is Hydrogenqted Fat? All vanaspati preparations are the result of hydrogenation of oils, where unsaturated fat is converted to saturated fat for its favour and long she

Importance value index (ivi) - synthetic characters, Importance Value Index...

Importance Value Index (IVI) - Synthetic Characters In any study of community, the quantitative value of each of the frequency density, and cover has its own importance. But t

Explain objective anti-arrhythmic pacemaker defibrillators, Explain Objecti...

Explain Objective Anti-arrhythmic pacemaker defibrillators? After reading this unit, you should be able to: 1 describes the classification of ant arrhythmic drugs; 2 understand

Explain animal fats, Animal Fats This group consists of depot fats from...

Animal Fats This group consists of depot fats from domestic land animals (e.g., lard and tallow), all containing large amounts of C16 and C18 fatty acids, medium amounts of uns

Explain the numerical taxonomy, Explain the Numerical Taxonomy? Numeric...

Explain the Numerical Taxonomy? Numerical methods in taxonomy are not new. Simple statistical methods like standard deviations, t-tests and chi-squared have been used for sever

Name two food additives needed to keep food wholesome, a) Name two food ad...

a) Name two food additives needed to keep food wholesome, and say what they do. b) Name two food additives (or types of additive) which are not necessary for keeping fo

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