Introduction: Pain from the head and neck is linked to the trigeminal pathway and three neurons participate: a first-order neuron located in the trigeminal ganglion. a second-order neuron from the subnucleus caudalis of the trigeminal nerve. and a third-order neuron which starts from the medial area of the ventrobasal thalamus complex and ends in the cerebral cortex. Objective: Descri... https://www.parisnaturalfoodes.shop/product-category/nails/