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On the physiological location of otoacoustic emissions

During recent years, much attention has been paid otoacoustic emissions in the clinical audiological practice. The received view locates their origin in the cochlea, more precisely in the outer hair cells. It is, however, still uncertain if there is an interaction between the ears regarding otoacoustic emissions. Earlier findings suggest an interaction at the level of the olivocochlear bundle. The

A gravitomagnetic thought experiment for undergraduates

The gravitomagnetic force is the gravitational counterpart to the Lorentz force in electromagnetics. This paper presents a thought experiment from which the gravitomagnetic force is obtained using the Newton theory of gravitation and elementary knowledge in the special theory of relativity. The example is suitable to present in an undergraduate course on basic electromagnetic theory.

The collagen fibrillar network: Sequential degradation of its constituents by tissue metalloproteinases.

Popular Abstract in Swedish Brosk bekläder våra leder och förser dem med en slät yta vilket förhindrar en direkt ben mot ben kontakt. Det fungerar också som stötdämpare i belastade leder och ger glidytan mycket låg friktion. Vatten hålls kvar i broskets matrix på grund av den negativt laddade proteogykanen Aggrecan vilken i sin tur hålls kvar i ett nätverk av kollagenfibrer. När en led belastas prThe cartilage matrix is made up of a fibrillar meshwork comprising type II collagen and other associated proteins. One main function of this network is to retain the large aggregating proteoglycan, aggrecan, a vital component in the regulation of fluid flux in cartilage. In disease such as osteoarthritis, the breakdown of the collagen network appears to be the final step in destruction of cartilag

The Production of a Proper Place of Death

Personalised memorials often provoke a process of formalisation. As motives behind the development of a proper place of death we may find given social, cultural, religious or aesthetic structures. However, I propose there are hidden motives for these value judgements other than aestheticism, religiosity or cultural authenticity. Even if, as Åkesson describes it, personalised memorials may serve as