Twenty-six patients with lesions of upper eyelids were treated with simple surgical excision under local anaesthesia as day cases. Three other patients with eyelid injuries had full-thickness margin-inclusive lacerations of upper eyelids. In all these 29 patients the upper eyelid wounds were allowed to heal solely by spontaneous repair. The cautious study began with small extramarginal skin exc...

Large eyelid full-thickness defects are traditionally repaired using flaps with a blood-supplying pedicle, for the reconstruction of the anterior or posterior lamella or both. This is a 2-stage procedure involving occlusion of vision in the affected eye for 4-8 weeks, as the flap pedicle is not divided until vascularization is deemed adequate. However, the importance of using a flap with a pedi...

A method for calculating the size distribution of nanocrystalline elements polymer structure is proposed. The longitudinal (thickness) ultrahigh molecular weight polyethylene lamellae was calculated from calorimetric data. results maximum values are consistent with known data obtained by other methods. Keywords: heat capacity, effect, lamella, polyethylene.

[1] Shear waves that traverse the lowermost mantle exhibit polarization anomalies and waveform complexities that indicate the presence of complex velocity structure above the core-mantle boundary. Synthetic seismograms for horizontally and vertically polarized shear waves (SH and SV, respectively) are computed using the reflectivity method for structures with low-velocity sheets (‘‘lamellae’’),...

Eyelid reconstruction is complex and challenging since it is not only for structural and functional restoration, but also for an acceptable aesthetic result. In full thickness eyelid injuries, it will involve both anterior and posterior lamella. Therefore, when reconstructing the defect, it requires at least two layers; one will be a flap with blood supply, and the other can be a free graft. In...

Monoclinic pyrrhotite from Norseman, Western Austra"lia, has lamellae of submicrometer thickness, identified by microprobe and electron diffraction as magnetite. The lamella zurface is (111) of magnetite parallel to (001) of pyrrhotite, corresponding to a close fit of close-packed planes of the two structures' The perfect lamellar nature of the magnetite in unaltered pyrrhotite indicates origin...

Ever since Gudernatsch (191. 3, 1914) proved that the mammalian thyroid gland contains an “ugerz~” which nil1 hasten metamorphosis when fed to amphibian larvae, biologists have been invtrstigating thcl mechanisms whereby the thyroid participates in controlling vertebrate development. Reviews by Allen ( 1938), Lynn and \I’achowski ( 1951 ), Etkin (1955), and Kollros (1959) should 1~ consulted fo...

We present a complete analysis of the structure of polyethylene (PE) nanoparticles synthesized and stabilized in water under very mild conditions (15 degrees C, 40 atm) by a nickel-catalyzed polymerization in aqueous solution. Combining cryogenic transmission electron microscopy (cryo-TEM) with X-ray scattering, we demonstrate that this new synthetic route leads to a stable dispersion of indivi...