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Explain about Bioactive materials
Bioactive materials: Certain glasses, ceramics, and glass-ceramics that contain oxides of silicon, sodium, calcium and phosphorus (SiO2 , Na2O, CaO, and P2O5 ) form a chemical bond with bone, resulting in a strong mechanical implant bone bond. These materials do bond to bone through a time-dependent, kinetic modification of the surface triggered by their implantation within living bone. An ion-exchange reaction between the bioactive implant and surrounding body fluids results in the formation of a biologically active calcium phosphate layer on the implant. This layer is chemically and crystallographically equivalent to the mineral phase in bone which is responsible for the strong interfacial bonding.
What is the histological nature of the glands? How are they formed? The glands are epithelial tissues. They are made of epithelium that throughout the embryonic development inv
Phenoxyethanol is dangerous and can be absorbed through the skin - official sites for toxicity data, though, show little toxicity in man and some toxicity (irritation) with high do
a) The elongation level of translation in eukaryotes requires three elongation factors, eEF-IB, eEF-1A and eEF-2, that have similar functions to their prokaryotic counterparts EF-G
WHAT ARE THE DEMERITS OF CONTINOUS BREEDERS
Development of Ovule The ovule develops from a specialised region of the ovary - the placenta. Initially it appears as a small mound on the placenta, and is composed of homoge
what are he characteristic of phylum collenterata?
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What is the meaning of Ideometric approach Ideometric approach in the context of neuropsychological assessment emphasises the patient's premorbid functioning with reference to
Timing and number of doses It has been common practice to give antibiotics at the time of anesthesia induction, which results in adequate serum and tissue levels of the drugs;
Ask queAffinities of ctenophora with platyhelminthesstion #Minimum 100 words accepted#
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