It was higher at the injured side than that at the contralateral side, and had remarkably difference (292.20±19.73),(80.40±10.00),t= 2.832,P < 0.01 . ③ The quantity of astrocytes at the injured side of black substance of the midbrain increased distinctly.
The expression of MMP-2 was significantly decreased and the expression of nm23 and TIMP-2 was significantly increased in paraffin sections of NCTD group (P<0.05).
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The cell of Stylonchia mytilus becomes longer and slender and shrinks into a sphere during encystment,its cortical ciliature drops gradually simultaneously.Its two macronuclei change from elliptical to spindle shaped and fuse longitudinally in the middle part of the cell,its four mieronuelei become two in number.At last,it becomes a resting cyst with a spherical macronueleus and two micronuclei enclosed in two layers of cyst membrane.A.unique chromatin reorganization occures in fused macronucleus during enc...
The PVC-incorporated products were irradiated with a ~(60)Cosource up to a total of 10~8 rad(5×10~7rad for PVC-incorporated resins),with no appreciable radiation effects detected except a slight darkening oftheir colourConsidering radiation effects,the PVC-incorporated products are satisfac-tory in respect of long term safe storage.
Cadaver preserved in formalin may develop pigmentation in the epidermis astime goes on.What is the nature of the colour substance?Are they degradationproduct of hemoglobin,melanin-like substance or others?In this paper,we reportthe results of observation on the pigmented substance from cadaver skin and charac-terize it by chemical and physical means.The epidermal layer of pigmented skin of cadaver was hydrolyzed by aceticacid,the hydrolysate was extracted with water and organic solvent in steps,thusthree po...