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Detail from The Extraction of the Stone of Madness, a painting by Hieronymus Bosch depicting trepanation (c. 1488–1516). Trepanning, also known as trepanation, trephination, trephining or making a burr hole (the verb trepan derives from Old French from Medieval Latin trepanum from Greek trúpanon, literally "borer, auger"), [1] [2] is a surgical intervention in which a hole is drilled or ...
A combination of external frontal sinus trephination and intranasal endoscopy is used to approach the frontal sinus. Frontal sinus trephination also enhances the visualization in anatomy. The incision is made in the medial aspect of the eyebrow above, parallel to the hair line. A 4–5mm diameter hole is drilled into the anterior table of the ...
to thicken (as the nucleus does in early stages of cell death) Greek πύκνωσις (púknōsis), thickening pyknosis: pylor-gate Greek πυλωρός (pulōrós), gate keeper; lower orifice of the stomach pyloric sphincter: pyr-fever: Greek πῦρ, πυρετός (pûr, puretós), fire, heat, fever antipyretic
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A skull showing evidence of trepanning. Prehistoric medicine is any use of medicine from before the invention of writing and the documented history of medicine.Because the timing of the invention of writing per culture and region, the term "prehistoric medicine" encompasses a wide range of time periods and dates.
Single-unit recordings are widely used in cognitive science, where it permits the analysis of human cognition and cortical mapping. This information can then be applied to brain–machine interface (BMI) technologies for brain control of external devices.
Human skull with evidence of trepanation found at Monte Albán in Oaxaca, Mexico.. Trepanation in Mesoamerica has been practised by a number of pre-Columbian cultures in the Mesoamerican region, dating from at least the mid-Preclassic era (ca. 1500 BCE), and continuing up to the late Postclassic, or ca. 1200 CE.
Although both of those ideas have a basis in reality, phrenology generalizes beyond empirical knowledge in a way that departs from science. [ 1 ] [ 4 ] The central phrenological notion that measuring the contour of the skull can predict personality traits is discredited by empirical research. [ 5 ]