Descriptions of three Chinese brains presented by Dr F.W. Mott, F.R.S., to the museum of the Royal College of Surgeons / by E.H.J. Schuster.

  • Schuster, E. H. J.
Date:
[1908?]
Catalogue details

Licence: In copyright

Credit: Descriptions of three Chinese brains presented by Dr F.W. Mott, F.R.S., to the museum of the Royal College of Surgeons / by E.H.J. Schuster. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    understood that no gi’eat accuracy is claimed for these or indeed for any of the measurements. These measurements are recorded only on the outline figures, which are intended to act as explanations of the photographs. The numbers which will be found scattered over these drawings give in millimetres the depth of the fissure at the point against which each number stands. It was thought better to record the distances and the depths in different ways, since if both sets had been recorded in the same way, either the text wrould have become more clumsy, involved, and obscure than it is at present, or the figures would have lost their comparative lucidity. III. The third series of measurements give the general dimensions of the brains and are recorded in tabular form below. Brain No. I. was considered to be too distorted to be worth measuring'. o Greatest Length of Hemisphere projected on Median Plane. Brain No. II. „ No. III. Right hemisphere. 186 mm. 173 „ Left hemisphere. 189 mm. 173 „ Distance of Sylvian Fissure from Supero-mesicd Border. Distance measured with tape over the surface of the hemisphere from (a) the anterior end of the fissure, where the ramus anterior is given off; (b) the point at which it branches into the two rami posteriores. In each case the tape was passed over the surface in a transverse plane at right angles to the horizontal (vide supra, second definition of horizontal plane, under heading Sylvian angle). The upper point taken was not actually the border, which is difficult to define, but the horizontal surface on which the brain was allowed to rest with its mesial aspect downwards. Brain No. II. (a) (b) Brain No. III. (a) (&) Right hemisphere. 101 mm. 102 102 103 >) Left hemisphere. 105 mm. 103 101 102 )> Distance measured with a tape along the supero-mesial border from the most projecting point at the frontal pole to (a) the place at which the sulcus centralis cuts the border, or, if it fails to cut it, where a line carried along the general direction of the fissure would cut the border; (b) the point at which the fossa parieto-occipitalis cuts the border; (c) the most projecting point at the occipital pole.