. Cunningham's Text-book of anatomy. Anatomy. 572 THE NERVOUS SYSTEM. Horizontal fissure of cerebellum Tuber vermis I Supra-pyramidal fissure Pyramid \ ' / Fissura secunda median bridge, which can now be called the vermis, leads to the appearance of a transverse depression upon the superior sur- face. This is the fissura prima (Fig. 507, B, C, and D), which becomes the deepest and most Bivehtral lobule COmpleX of all the multi- Tonsil of tude of fissures that cerebellum ,, . -, ... , •. -Fioccuiar fissure ultimately cut into tiie cerebellum (Fig. 519). Soon afterwards the fis- sura secunda mak
. Cunningham's Text-book of anatomy. Anatomy. 572 THE NERVOUS SYSTEM. Horizontal fissure of cerebellum Tuber vermis I Supra-pyramidal fissure Pyramid \ ' / Fissura secunda median bridge, which can now be called the vermis, leads to the appearance of a transverse depression upon the superior sur- face. This is the fissura prima (Fig. 507, B, C, and D), which becomes the deepest and most Bivehtral lobule COmpleX of all the multi- Tonsil of tude of fissures that cerebellum ,, . -, ... , •. -Fioccuiar fissure ultimately cut into tiie cerebellum (Fig. 519). Soon afterwards the fis- sura secunda makes its appearance (Fig. 507, C) Fig. 505.—Inferior Surface of the Cerebellum of a Human Fcetus and with the fissura prima WHICH HAS REACHED THE END OF THE FIFTH MONTH OF DEVELOPMENT. Subdivides the Vermis into anterior, medial, Culmen Clivus monticuli | Fissura prima Postero-inferior lobule Parapyramidal sulcus Post-tonsillar sulcus Peduncle of flocculus Paraflocculus Flocculus. Post-nodular fissure Uvula Nodule Fissura postlunaris Postero-superior lobule and 'posterior Other transverse fis- sures appear in rapid succession until the vermis becomes cut up into the following parts, named from above (at the velum medullare anterius) downwards: lingula, lobulus centralis, Fig. 506.—Cerebellum of a Human Foetus which has reached the End culmen declive, pyramid, of the Fifth Month of Development. Viewed from, above and behind. ,ivuia and nodule Quite unnecessary importance is usually attached to the subdivisions of the part here called. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cunningham, D. J. (Daniel John), 1850-1909; Robinson, Arthur, b. 1862, ed. New York, W. Wood
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