Archive image from page 569 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 536 THE NERVOUS SYSTEM. The best-known long or extrinsic systems of fibres in the antero - lateral funiculus are those known as the fasciculus cerebrospinalis lateralis ( crossed pyramidal tract), the fasciculus cerebrospinalis anterior ( direct pyramidal tract), the fasciculus cerebellospinalis ( direct cerebellar tract) {which goes from the spinal medulla to the cerebellum, and ought therefore to be called spinocerebellars, as it will be
Archive image from page 569 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( 536 THE NERVOUS SYSTEM. The best-known long or extrinsic systems of fibres in the antero - lateral funiculus are those known as the fasciculus cerebrospinalis lateralis ( crossed pyramidal tract), the fasciculus cerebrospinalis anterior ( direct pyramidal tract), the fasciculus cerebellospinalis ( direct cerebellar tract) {which goes from the spinal medulla to the cerebellum, and ought therefore to be called spinocerebellars, as it will be subsequently named in this account), and the fasciculus anterolateralis superficialis ( Gowers' tract). There are, however, many other fasciculi at least as important as these, but there is as yet no close agreement as to their precise limits or connexions. One reason for this is that some of the elements of one tract may become intermingled with those of another; moreover, the position and relations of certain of them Optic tract Tectum mesencephali I I Red nucleus ; ,' v /. ~~ ,Tectospinal tract Hetathalamus Thalamus.,. ;'.. â Rubrospinal tract ., Brachium conjunctivum -' .-â Lemniscus medialis , Lemniscus lateralis I Cerebellum Corpus striatum Cerebral hemisphere £: Cerebro-spinal tract --' Olfactory nerve _ Olfactory- epithelium Brachium pontis Vestibulo-spinal tract Nucleus gracilis Medulla oblongata Fibres of âposterior funiculus x indicates the place where a tract crosses the median plane. Fig. 475.âDiagram representing the Connexions of some important Sensory and Motor Tracts in the Brain. vary considerably at different levels of the spinal medulla. In Fig. 473 an attempt has been made to present the present state of our knowledge of these great strands of white fibres. This diagram is not intended to represent any definite level of the spinal medulla, though certain features are shown which occur only in the cervical region ; and in respect of other featu
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