Aortic allograft -biological valves, Biology

Assignment Help:

Aortic Allograft (Homograft) :  In the earlier years fresh antibiotic preserved aortic allografts were tried. As the shelf life is limited, availability of all sizes at all times could not be guaranteed. At present cryopseservation is preferred. The valve is harvested under sterile conditions and is frozen using liquid nitrogen tissue culture medium containing 10 per cent dimethyl sulploxide (DMSO). It is stored a1 -180°C. They are durable and free from structural deterioration in 80 per cent of the patients at 15 years.

 


Related Discussions:- Aortic allograft -biological valves

Define lamivudine, Lamivudine This oral antiretroviral nucleoside analo...

Lamivudine This oral antiretroviral nucleoside analog used to treat HIV is also FDA-approved for treatment of chronic HBV infection. A trial in Asian patients with chronic HBV

Central cell - synergids, Central Cell - Synergids It is the largest c...

Central Cell - Synergids It is the largest cell of the embryo sac, and the mother cell of the endosperm. The enlargement of the embryo sac after the last nuclear division is m

Determine the biological diversity of an ecosystem, Is monoculture a system...

Is monoculture a system that contributes to great biological diversity of an ecosystem? Monoculture means that in a large area a single crop (only single species of plant) is c

Plant classification according to ancient greeks and romans, Q. Plant class...

Q. Plant classification according to Ancient Greeks and Romans? Hippocrates, "The Father of Medicine" (460-377 B.C.) is reputed to have been one of Democritus 's disciples. He

Ecology, what is the importance to study the tolerance range in real-life...

what is the importance to study the tolerance range in real-life situations?

Discuss the biological importance of imidazole, Discuss the biological impo...

Discuss the biological importance of Imidazole. Bring in examples of biomolecules that contain this group. Please be as thorough as possible.

What do you understand by metanephridia, What do you understand by Metaneph...

What do you understand by Metanephridia? An excretory-osmoregulatory organ comprising a ciliated funnel, nephrostome, connected to tubules that lead to the external nephridiopo

What is the trace element, What is a trace element and how are they importa...

What is a trace element and how are they important in organisms, give an example.

What are the organs that are part of the male genital system, Q. What are t...

Q. What are the organs that are part of the male genital system? The organs that comprise the male genital system are the testicles, the vas deferens, the seminal vesicles, the

Oxygen cycle, Oxygen is a major component of all living organisms. All the ...

Oxygen is a major component of all living organisms. All the organisms and plants required oxygen for aerobic respiration which they absorb from environment. Only plants release ox

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