Matthew Marklund

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Dorsoventral patterning of the telencephalon is established early in forebrain development and underlies many of the regional subdivisions that are critical to the later organization of neural circuits in the cerebral cortex and basal ganglia. Sonic hedgehog (Shh) is involved in the generation of the ventral-most telencephalic cells, but the identity of the(More)
The organisation of the telencephalon into its major structures depends on its early regionalisation along the dorsoventral axis. Previous studies have provided evidence that sonic hedgehog (SHH) is required for the generation of telencephalic cells of ventral character, and that sequential WNT and fibroblast growth factor (FGF) signalling specifies cells(More)
Starting from the governing equations for a quantum magnetoplasma including the quantum Bohm potential and electron spin- 12 effects, we show that the system of quantum magnetohydrodynamic (QMHD) equations admits rarefactive solitons due to the balance between nonlinearities and quantum diffraction and tunneling effects. It is found that the electron spin-(More)
The filamentational instability of spatially broadband femtosecond optical pulses in air is investigated by means of a kinetic wave equation for spatially incoherent photons. An explicit expression for the spatial amplification rate is derived and analyzed. It is found that the spatial spectral broadening of the pulse can lead to stabilization of the(More)
To the Loves of my life Ulrika and Noel You're the first thought in the morning when I rise You're the last thought in the evening when I rest my head You're everything, everything You mean everything to me You put the happy in my –ness You put the good times into my fun We try the good & bad in the coming days We walk in the same direction so that we can(More)
Two samples of individuals, a low-angle group and a high-angle group, were selected on the basis of the inclination of the lower border of their mandible, defined by the mandibular plane angle (ML/SNL) in profile radiographs. Apical root curvature of mandibular first and second premolars and molars on panoramic radiographs was compared between the two(More)
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