Tuesday, November 4, 2025

17.01.26: Comenius CV; Geometry; vocabulary [9] from the authors: Celsus

https://en.wikipedia.org/wiki/Aulus_Cornelius_Celsus

When you read anything from Celsus you’re relieved that you never experienced a Roman surgeon …

Ergō ultrā calculum dextra semper manus eius sē oppōnit, sinistrae digitī deorsum eum conpellunt, dōnec ad cervīcem pervenītur: in quam, sī oblongus est, sīc compellendus est, ut prōnus exeat; sī plānus, sīc ut trānsversus sit; sī quadrātus, ut duōbus angulīs sedeat; sī alterā parte plēnior, sīc ut prius ea, quā tenuior sit, ēvādat. In rotundō nihil interesse ex ipsā figūra patet, nisi sī levior alterā parte est, ut ea antecēdat.

Therefore his right hand [the surgeon’s] is always kept above the stone whilst the fingers of the left press it downwards until it arrives at the neck of the bladder: and it must be pressed towards this so that if oblong, it comes out end on; if flat it lies crossways; if cubical, it rests on two of its angles; if any part is larger, the smaller part comes out first. In the case of a spherical [stone], it is clear that the shape makes no difference, except that if any part is the smoother this should be in front.

  • dexter, dextra, -um: right
  • sinister, sinistra, -um: left
  • plānus, -a, -um: flat

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