Fig. 8. Photomicrographs of the CA3 region of the hippocampal sections of rats Cresyl violet, ×400. (A) Control showing normal Nissl substance around the cytoplasm of the neurons, (B) I/R micrograph indicates degenerated pyramidal cells without Nissl substances, (C–E) I/R+50 mg/kg MNC, I/R+100/200 mg/kg PTT close to normal neuronal cells with Nissl substances in the CA3. CA3, cornu ammonis 3; Pk, pyknosis; Cy, cytoplasmic vacuolation; Cr, chromatolysis; DN, dark neuron; I/R, ischemia/reperfusion; MNC, minocycline; PTT, phenolics fraction of Tetrapleura tetraptera.
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