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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.
Nuclear Type - Endosperm The primary endosperm nucleus divides. The cell wall is not laid. These nuclei and their division products form a large number of free nuclei. The fi
Regulation of Heart The number of electrical impulses initiated by the SA node is primarily the result of its innervation by fibers from both sympathetic and parasympath
Class of Mollusca - Monoplacophora Bilaterally symmetrical, with broad flat foot and single shell, mantle cavity has five to six pairs of gills; six pairs of nephridia of whi
What are the attribute of amylase inhibitors? This has been attributed to a number of reasons, Let us see how these inhibitors act. The inhibitor forms a complex with amylase,
Question 1: Define Survey. List out advantages of surveys. Brief up different survey methods Definition of survey. Advantages of surveys Different survey methods
Synergistic and Sequential Effects of Hormones In vitro studies on callus and suspension cultures have brought out two interesting findings. The nature and direction of differ
FLUORIDE It is mostly available in drinking water. Fluoride is essential for the formation of enamel of the teeth. Deficiency of fluoride causes weakness of enamel.
How did the first fermenting autotrophs appeared? What about the first aerobic beings? A heterotrophic hypothesis asserts that the first living beings were the fermenting heter
Explain Adverse Effects Fluconazole is generally well tolerated. Gastrointestinal distress and rash can happen. Stevens-Johnson syndrome, anaphylaxis and hepatic necrosis have
Coarse fish reach or lowland course zone This zone corresponds to the lower course of the river. Here the river is deep and slow moving. Its sluggish flow results in the depos
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