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What is osteoblast
The osteoblast is the key for the development of new bone. It is essential that a large number of osteoblasts accumulate on the implant surface(contact osteogenesis). This process is called as Osteoblast recruitment. These cells are derived from the mesenchymal stem cells, the inner cell rich layer of the periosteum and the endosteum. Although systemic factors like hormones, ion concentration play a role in this process of recruitment, it is the local factors which are critical. It is signalling to precursor cells by the cytokines. Also bone morphogenic proteins which represent the osteoinductive proteins of bone are critical in this process of recruitment
Explain about the Electrophoresis? Electrophoresis refers to the movement of charged particles because of an external electric field. Because charged molecules can be made to m
Early campaigns of the 19th century that focused on sanitation, hygiene, housing, and nutrition had little effect in controlling communicable disease due to flawed rationale based
The rRNA transcription units in E. coli hold some tRNA genes which are processed and transcribed at the time of rRNA transcription. The other tRNA genes happen in clusters of
Define the Insulin resistance - Obesity? Insulin resistance is a condition in which your body cells cannot utilize insulin efficiently although sufficient amounts are secreted
In a properly functioning negative feedback system A. value of the controlled variable will always be very close to the threshold value when the system is in steady state.
Q. Can we make artificial cells? Research in progress at the "National Aeronautical and Space Administration (NASA)" is focused on artificial cells as a means to deliver medici
Explain about the Thiamin - Vitamin B or aneurin? Thiamin is one of the earliest recognized vitamins. The chemical structure of thiamine was established by Williams in 1936. Th
During residency: This alters from program to program depending on the number of sites covered and number of residents. At McMaster, we do call roughly 1 in 7 or 8 (averages out to
why should breathe faster after a hard work
Q. In 1665 Robert Hooke, an English scientist, published his book Micrographia, in which he explained that pieces of cork viewed under the microscope presented small cavities simil
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