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Cryo Preserved Allografts (Homograft) : As these are not mounted, a free hand suturing in two layers has to be done. The valve is thawed by protocol. The septal muscle is excised with support from index finger inserted through the allograft. Excess aorta is also trimmed off leaving smallstrip of aorta above each commissure. The valve is inserted into the left ventricle. With continuous prolene sutures, it is fixed in the sub annular position. The allograft is then pulled into the aorta from LV to its normal position. Using 4'0' prolene sutures, a second row of continuous running sutures are applied; tied and cut off.
For an allograft, the chosen size has to be correct as otherwise aortic regurgitation can occur. At the end of surgery, Tran's oesophageal echo is mandatory.
Metameric segment - Segmentation On the other hand true metameric segment as best observed in annelids has separate schizocoelic body cavity of mesodermal origin in each segme
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State one benefit of including vegetable fibre (roughage) in the diet Vegetable fibre retains water (keeping the faeces soft and bulky), stops constipation, decreases the
The introns are the portions of genomic DNA which are transcribed (and hence present in the primary transcript) but are then spliced out later. They therefore are not present in th
Substances which are insoluble in a membrane are carried across membrane with concentration gradient by means of a carrier molecule in a process termed as: a) Diffusion. b)
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Define Bioavailability of pyridoxine? A recent review by Gregory confirms that bioavailability of vitamin B 6 in a mixed diet is about 7570, with approximately 8% of this tot
Do disinfectants kill bacteria? Secure various types of commercial and house- hold disinfectants. Inoculate as more culture dishes as you have samples of disinfectant and singl
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