Preliminary note upon the cell lamination of the cerebral cortex of echidna, with an enumeration of the fibres in the cranial nerves / by Edgar Schuster.

  • Schuster, Edgar.
Date:
[1909]
Catalogue details

Licence: In copyright

Credit: Preliminary note upon the cell lamination of the cerebral cortex of echidna, with an enumeration of the fibres in the cranial nerves / by Edgar 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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    Fig. 1.—A. Fig. 1.—B. Fig. 1.—Diagram of right hemisphere of Echidna, aspect. Fissures. x 2|. A, Lateral aspect; B, Median FS .. Fissura Sylvii. fasa ... ... Fissura antesylvia anterior. frha .... „ rhinica posterior. ffi „ frontomarginalis su- Jrhp .... „ rhinica anterior. perior. fpsa .... „ postsylvia anterior. ffi „ frontomarginalis in- fpspo .... „ postsylvia posterior ferior. occipitalis. FIT „ hippocampi. fpspt .... „ postsylvia posterior Fvall .... ... „ vallaris. temporalis. VC ... Anterior (ventral) commissure. fasp .... .. „ antesylvia posterior. Dorsal C. .. Dorsal commissure. A - - - A shows plane of Section A. B - - - B )> „ B. C - - - 0 Types )> of Cortex. „ a □ □ □ Type I. + + + + . Type II. X X X X Type III. (D © CD © . Type IV. O O 0 o . Type V. Ziehen’s names, though clumsy, have the advantage that they remind one of the position of the fissure referred to, and it is for this reason that they are adopted here. He takes as his starting point the— Fissura Sylvii (FS).—This is generally about 5 mm. in length, and runs almost horizontally backwards. From its anterior end the fissura rhinica anterior runs forwards and the fissura rhinica posterior runs backwards. Fissura rhinica anterior (frlia) runs horizontally forwards and reaches the mesial surface. Its incision of the mantle edge delimits the olfactory lobe