The answer is D. Treatments decrease pain temporarily and must be repeated
Answer:
The most correct answer is: It varies in consistency based on the amount of protein fibers and fluid
Explanation:
The extracellular matrix (ECM) is the environment surrounding cells, which is normally composed by fibers (i. e.: collagen, elastin, etc...), soluble proteins and other macromolecules (such as hyaluronic acid) embedded in fluid. The relative concentration and composition of those components conditions, among other things, the physical consistency of the ECM.
- No blood vessel arises from ECM; they derive from specific precursor cells. Additionally, cartilage is an avascular (has no blood vessel) type of connective tissue.
- ECM does provide oxygen and nutrients to diverse tissue, including bone, however bone tissue <em>does</em> have blood vessels.
- Neuronogenesis (generation of new neurons) takes place within the developing nervous system, with neuronal precursor cells being thoroughly surrounded by other cells such as radial glia. Typically, neighboring ECM has a minor or negligible role in this process.
Answer:
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The preferred injection site is the ventral surface of the forearm and the purified protein derivative (PPD) test is an intradermal test.
<h3 /><h3>Purified protein derivative</h3>
Currently, the only skin test reagent for tuberculosis diagnosis that is commercially accessible is called purified protein derivative (PPD) (TB). The purpose of this work was to create a Mycobacterium tuberculosis-specific skin test reagent that would not produce false positive findings from the Bacillus Calmette-Guerin (BCG) vaccine utilizing recombinant antigens. By comparing the proteins in the M. tuberculosis culture filtrate to the proteins in PPD IC-65 using tandem mass spectrometry, 54 proteins were discovered to be shared. Top candidates ESAT 6, CFP 10, and MPT64 were overexpressed in Escherichia coli expression strains and isolated as recombinant proteins. The antigens were tested on guinea pigs that had been exposed to M. tuberculosis H37Rv and BCG to determine the best immunodiagnostic PPD combinations to use.
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In radiology and nuclear medicine, single - photon emission therapy (PET)/computed tomography (CT) scanning is now a standard practice.
<h3>What distinguishes a CT scan from a PET scan?</h3>
The internal organs and tissues of your body are depicted in great detail by a CT scan. A Pet / ct can be more accurate than some other imaging procedures and can detect aberrant activity. Additionally, it can cause your body to alter sooner. PET-CT scans are used by doctors to reveal more details about the cancer.
<h3>What distinguishes an MRI from a PET scan?</h3>
Radio waves and magnets are both used in magnetic resonance imaging (MRI) studies. Both generate static photos of the body's organs and skeletal system. Using a radioactive tracer, PET scans can demonstrate how an organ is working in real time. CT and MRI scans cannot identify cellular responses in tissues and organs as early as PET scan images can.
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