COMBINED APPLICATION OF VIRTUAL SURGERY AND 3D PRINTING TECHNOLOGY IN POSTOPERATIVE RECONSTRUCTION OF HEAD AND NECK CANCERS

Combined application of virtual surgery and 3D printing technology in postoperative reconstruction of head and neck cancers

Abstract Background The complex anatomy of the head and neck creates a formidable challenge for surgical reconstruction.However, good functional reconstruction plays a vital role in the quality of life of BLACK WALNUT patients undergoing head and neck surgery.Precision medical treatment in the field of head and neck surgery can greatly improve the

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The Pituitary-Adrenal Response to Paradoxical Sleep Deprivation Is Similar to a Psychological Stressor, Whereas the Hypothalamic Response Is Unique

Stressors of different natures induce activation of the hypothalamic-pituitary-adrenal (HPA) axis at different magnitudes.Moreover, the HPA axis response to repeated exposure is usually distinct from that elicited by a single session.Paradoxical sleep deprivation (PSD) augments ACTH and corticosterone (CORT) levels, but the nature of this stimulus

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