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Contents 1 structure of the nervous system (Gray's s183) 1.1 Gray's page #721 1.2 Gray's page #722 1.3 Gray's page #723 1.4 Gray's page #724 1.5 Gray's page #725 1.6 Gray's page #726 1.7 Gray's page #727 1.8 Gray's page #728 1.9 Gray's page #729 1.10 Gray's page #730 1.11 Gray's page #732 2 development of the nervous system (Gray's s184) 2.1 Medulla spinalis 2.1.1 Gray's page #733 2.1.2 Gray's page #735 2.2 spinal nerves 2.2.1 Gray's page #735 2.2.2 Gray's page #736 2.3 Brain 2.3.1 Gray's page #736 2.3.2 Gray's page #737 2.4 Hind-brain or Rhombencephalon 2.4.1 Gray's page #738 2.4.2 Gray's page #739 2.4.3 Gray's page #740 2.4.4 Gray's page #741 2.5 Mesencephalon 2.5.1 Gray's page #741 2.6 Prosencephalon 2.6.1 Gray's page #741 2.6.2 Gray's page #742 2.6.3 Diencephalon 2.6.3.1 Gray's page #742 2.6.3.2 Gray's page #743 2.6.4 Telencephalon 2.6.4.1 Gray's page #743 2.6.4.2 Gray's page #744 2.6.4.3 Gray's page #745 2.6.4.4 Gray's page #746 2.6.4.5 Gray's page #747 2.7 Fissures and Sulci 2.7.1 Gray's page #747 2.7.2 Gray's page #748 3 the spinal cord or medulla spinalis (Gray's s185) 3.1 Gray's page #749 3.2 Gray's page #750 3.3 Gray's page #751 3.4 Gray's page #752 3.5 Fissures and Sulci 3.5.1 Gray's page #752 3.5.2 Gray's page #753 3.6 Gray substance 3.6.1 Gray's page #753 3.6.2 Gray's page #754 3.6.3 Gray's page #755 3.6.4 Gray's page #756 3.6.5 Gray's page #757 3.6.6 Gray's page #758 3.7 White substance 3.7.1 Gray's page #758 3.7.2 Gray's page #759 3.7.3 Gray's page #760 3.7.4 Gray's page #761 3.7.5 Gray's page #762 3.7.6 Gray's page #763 3.7.7 Gray's page #764 4 the brain or encephalon (Gray's s186) 4.1 Gray's page #766 4.2 the hind-brain or rhombencephalon (Gray's s187) 4.2.1 Gray's page #767 4.2.2 Myelencephalon 4.2.2.1 Gray's page #767 4.2.2.2 Gray's page #768 4.2.3 Myelencephalon: anterior district of medulla oblongata 4.2.3.1 Gray's page #768 4.2.3.2 Gray's page #769 4.2.4 Myelencephalon: lateral district 4.2.4.1 Gray's page #769 4.2.5 Myelencephalon: posterior district of medulla oblongata - lower part 4.2.5.1 Gray's page #774 4.2.5.2 Gray's page #775 4.2.6 Myelencephalon: posterior district of medulla oblongata - upper part 4.2.6.1 Gray's page #775 4.2.7 Myelencephalon: Cerebrospinal fasciculi 4.2.7.1 Gray's page #775 4.2.7.2 Gray's page #776 4.2.7.3 Gray's page #777 4.2.7.4 Gray's page #778 4.2.7.5 Gray's page #779 4.2.8 Myelencephalon: Gray Substance of the Medulla oblongata 4.2.8.1 Gray's page #779 4.2.8.2 Gray's page #780 4.2.8.3 Gray's page #781 4.2.8.4 Gray's page #782 4.2.9 Myelencephalon: Inferior peduncle (restiform body) 4.2.9.1 Gray's page #782 4.2.9.2 Gray's page #783 4.2.9.3 Gray's page #784 4.2.10 Myelencephalon: Formatio reticularis 4.2.10.1 Gray's page #784 4.2.10.2 Gray's page #785 4.2.11 Metencephalon - pons 4.2.11.1 Gray's page #785 4.2.11.2 Gray's page #786 4.2.11.3 Gray's page #787 4.2.11.4 Gray's page #788 4.2.12 Metencephalon - cerebellum 4.2.12.1 Gray's page #788 4.2.12.2 Gray's page #789 4.2.12.3 Gray's page #790 4.2.12.4 Gray's page #791 4.2.12.5 Gray's page #792 4.2.12.6 Gray's page #793 4.2.12.7 Gray's page #794 4.2.12.8 Gray's page #795 4.2.12.9 Gray's page #796 4.2.13 Fourth ventricle 4.2.13.1 Gray's page #797 4.2.13.2 Gray's page #798 4.2.13.3 Gray's page #799 4.2.13.4 Gray's page #800 4.3 the mid-brain or mesencephalon (Gray's s188) 4.3.1 Cerebral peduncles 4.3.1.1 Gray's page #800 4.3.1.2 Gray's page #801 4.3.1.3 Gray's page #802 4.3.1.4 Gray's page #803 4.3.1.5 Gray's page #804 4.3.1.6 Gray's page #805 4.3.2 Corpora quadrigemina 4.3.2.1 Gray's page #805 4.3.2.2 Gray's page #806 4.3.3 Cerebral aqueduct 4.3.3.1 Gray's page #806 4.3.3.2 Gray's page #807 4.4 the fore-brain or prosencephalon (Gray's s189) 4.4.1 Diencephalon/Thalamencephalon 4.4.1.1 Gray's page #807 4.4.1.2 Gray's page #808 4.4.2 Diencephalon/Thalamencephalon - Thalamus 4.4.2.1 Gray's page #808 4.4.2.2 Gray's page #809 4.4.2.3 Gray's page #810 4.4.2.4 Gray's page #811 4.4.3 Diencephalon/Thalamencephalon - Metathalamus 4.4.3.1 Gray's page #811 4.4.3.2 Gray's page #812 4.4.4 Diencephalon/Thalamencephalon - Epithalamus 4.4.4.1 Gray's page #812 4.4.5 Diencephalon/Thalamencephalon - Hypothalamus 4.4.5.1 Gray's page #812 4.4.5.2 Gray's page #813 4.4.5.3 Gray's page #814 4.4.6 Diencephalon/Other 4.4.6.1 Gray's page #814 4.4.6.2 Gray's page #815 4.4.6.3 Gray's page #816 4.4.7 Telencephalon 4.4.7.1 Gray's page #817 4.4.7.2 Gray's page #818 4.4.7.3 Gray's page #819 4.4.7.4 Gray's page #820 4.4.7.5 Gray's page #821 4.4.8 Telencephalon - Frontal lobe 4.4.8.1 Gray's page #821 4.4.8.2 Gray's page #822 4.4.9 Telencephalon - Parietal lobe 4.4.9.1 Gray's page #822 4.4.9.2 Gray's page #823 4.4.10 Telencephalon - Occipital lobe 4.4.10.1 Gray's page #823 4.4.11 Telencephalon - Temporal lobe 4.4.11.1 Gray's page #823 4.4.11.2 Gray's page #824 4.4.11.3 Gray's page #825 4.4.12 Telencephalon - Limbic lobe 4.4.12.1 Gray's page #825 4.4.12.2 Gray's page #826 4.4.13 Telencephalon - Rhinencephalon 4.4.13.1 Gray's page #826 4.4.13.2 Gray's page #827 4.4.14 Telencephalon - Interior of the Cerebral Hemispheres 4.4.14.1 Gray's page #827 4.4.14.2 Gray's page #828 4.4.14.3 Gray's page #829 4.4.14.4 Gray's page #830 4.4.14.5 Gray's page #831 4.4.14.6 Gray's page #832 4.4.14.7 Gray's page #833 4.4.14.8 Gray's page #834 4.4.14.9 Gray's page #835 4.4.14.10 Gray's page #836 4.4.14.11 Gray's page #837 4.4.14.12 Gray's page #838 4.4.14.13 Gray's page #839 4.4.14.14 Gray's page #840 4.4.14.15 Gray's page #841 4.4.14.16 Gray's page #842 4.4.15 Telencephalon - Structure of the Cerebral Hemispheres 4.4.15.1 Gray's page #842 4.4.15.2 Gray's page #843 4.4.15.3 Gray's page #844 4.4.15.4 Gray's page #845 4.4.15.5 Gray's page #846 4.4.15.6 Gray's page #847 4.4.15.7 Gray's page #848 4.5 composition and central connections of the spinal nerves (Gray's s190) 4.5.1 Gray's page #849 4.5.2 Gray's page #850 4.5.3 Gray's page #851 4.5.4 Gray's page #853 4.5.5 Gray's page #854 4.6 composition and central connections of the cranial nerves (Gray's s191) 4.6.1 Gray's page #855 4.6.2 Gray's page #856 4.6.3 Gray's page #857 4.6.4 Gray's page #858 4.6.5 Gray's page #859 4.6.6 Gray's page #860 4.6.7 Gray's page #861 4.6.8 Gray's page #862 4.6.9 Gray's page #863 4.6.10 Gray's page #864 4.6.11 Gray's page #865 4.6.12 Gray's page #866 4.6.13 Gray's page #867 4.6.14 Gray's page #868 4.6.15 Gray's page #869 4.7 pathways from the brain to the spinal cord (Gray's s192) 4.7.1 Gray's page #870 4.7.2 Gray's page #871 4.7.3 Gray's page #872 4.8 the meninges of the brain and medulla spinalis (Gray's s193) 4.8.1 Gray's page #872 4.8.2 Gray's page #873 4.8.3 Gray's page #874 4.8.4 Gray's page #875 4.8.5 Gray's page #876 4.8.6 Gray's page #877 4.8.7 Gray's page #878 4.8.8 Gray's page #879 4.8.9 Gray's page #880 4.9 the cerebrospinal fluid (Gray's s194) 4.9.1 Gray's page #880 5 the cranial nerves (Gray's s195) 5.1 the olfactory nerves (Gray's s196) 5.1.1 Gray's page #881 5.2 the optic nerve (Gray's s197) 5.2.1 Gray's page #882 5.2.2 Gray's page #883 5.2.3 Gray's page #884 5.3 the oculomotor nerve (Gray's s198) 5.3.1 Gray's page #884 5.4 the trochlear nerve (Gray's s199) 5.4.1 Gray's page #885 5.5 the trigeminal nerve (Gray's s200) 5.5.1 Gray's page #886 5.5.2 Ophthalmic nerve 5.5.2.1 Gray's page #887 5.5.2.2 Gray's page #888 5.5.2.3 Gray's page #889 5.5.3 Maxillary nerve 5.5.3.1 Gray's page #889 5.5.3.2 Gray's page #890 5.5.3.3 Gray's page #891 5.5.3.4 Gray's page #892 5.5.3.5 Gray's page #893 5.5.4 Mandibular nerve 5.5.4.1 Gray's page #893 5.5.4.2 Gray's page #894 5.5.4.3 Gray's page #895 5.5.4.4 Gray's page #896 5.5.4.5 Gray's page #897 5.5.4.6 Gray's page #898 5.6 the abducent nerve (Gray's s201) 5.6.1 Gray's page #899 5.6.2 Gray's page #900 5.7 the facial nerve (Gray's s202) 5.7.1 Gray's page #901 5.7.2 Gray's page #902 5.7.3 Gray's page #903 5.7.4 Gray's page #904 5.7.5 Gray's page #905 5.8 the acoustic nerve (Gray's s203) 5.8.1 Gray's page #905 5.8.2 Gray's page #906 5.9 the glossopharyngeal nerve (Gray's s204) 5.9.1 Gray's page #906 5.9.2 Gray's page #907 5.9.3 Gray's page #908 5.9.4 Gray's page #909 5.10 the vagus nerve (Gray's s205) 5.10.1 Gray's page #910 5.10.2 Gray's page #911 5.10.3 Gray's page #912 5.10.4 Gray's page #913 5.11 the accessory nerve (Gray's s206) 5.11.1 Gray's page #913 5.12 the hypoglossal nerve (Gray's s207) 5.12.1 Gray's page #914 5.12.2 Gray's page #916 5.12.3 Gray's page #916 6 the spinal nerves (Gray's s208) 6.1 Gray's page #916 6.2 Gray's page #917 6.3 Gray's page #919 6.4 Gray's page #920 6.5 Gray's page #921 6.6 the posterior divisions (Gray's s209) 6.6.1 Gray's page #921 6.6.2 Gray's page #923 6.6.3 Gray's page #924 6.6.4 Gray's page #925 6.7 the anterior divisions (Gray's s210) 6.7.1 Gray's page #925 6.7.2 Superficial Branches of the Cervical plexus 6.7.2.1 Gray's page #926 6.7.2.2 Gray's page #927 6.7.2.3 Gray's page #928 6.7.3 Deep Branches of the Cervical plexus. INTERNAL SERIES 6.7.3.1 Gray's page #928 6.7.3.2 Gray's page #929 6.7.4 Deep Branches of the Cervical plexus. EXTERNAL SERIES 6.7.4.1 Gray's page #930 6.7.5 brachial plexus 6.7.5.1 Gray's page #930 6.7.5.2 Gray's page #931 6.7.6 Supraclavicular Branches 6.7.6.1 Gray's page #932 6.7.6.2 Gray's page #933 6.7.7 Infraclavicular branches 6.7.7.1 Gray's page #933 6.7.7.2 Gray's page #934 6.7.7.3 Gray's page #935 6.7.7.4 Gray's page #936 6.7.7.5 Gray's page #937 6.7.8 Median nerve 6.7.8.1 Gray's page #938 6.7.9 Ulnar nerve 6.7.9.1 Gray's page #939 6.7.9.2 Gray's page #942 6.7.9.3 Gray's page #943 6.7.10 Radial nerve 6.7.10.1 Gray's page #943 6.7.10.2 Gray's page #944 6.8 the thoracic nerves (Gray's s211) 6.8.1 Gray's page #944 6.8.2 Gray's page #945 6.8.3 Gray's page #946 6.8.4 Gray's page #948 6.9 the lumbosacral plexus (Gray's s212) 6.9.1 Gray's page #948 6.9.2 Gray's page #949 6.9.3 lumbar plexus 6.9.3.1 Gray's page #949 6.9.3.2 Gray's page #950 6.9.3.3 Gray's page #951 6.9.3.4 Gray's page #952 6.9.3.5 Gray's page #953 6.9.3.6 Gray's page #954 6.9.3.7 Gray's page #955 6.9.3.8 Gray's page #956 6.10 the sacral and coccygeal nerves (Gray's s213) 6.10.1 Gray's page #957 6.10.2 Gray's page #958 6.10.3 Gray's page #959 6.10.4 Gray's page #960 6.10.5 Tibial nerve 6.10.5.1 Gray's page #960 6.10.5.2 Gray's page #962 6.10.5.3 Gray's page #963 6.10.6 Common peroneal nerve 6.10.6.1 Gray's page #964 6.10.6.2 Gray's page #965 6.10.6.3 Gray's page #966 6.10.7 Pudendal plexus 6.10.7.1 Gray's page #966 6.10.7.2 Gray's page #967 6.10.7.3 Gray's page #968 7 the sympathetic nerves (Gray's s214) 7.1 Gray's page #968 7.2 Gray's page #969 7.3 Gray's page #970 7.4 Gray's page #972 7.5 Gray's page #973 7.6 Gray's page #974 7.7 Gray's page #976 7.8 Gray's page #977 7.9 the cephalic portion of the sympathetic system (Gray's s215) 7.9.1 Gray's page #977 7.9.2 Gray's page #978 7.10 the cervical portion of the sympathetic system (Gray's s216) 7.10.1 Gray's page #978 7.10.2 Gray's page #979 7.10.3 Gray's page #980 7.10.4 Gray's page #981 7.11 the thoracic portion of the sympathetic system (Gray's s217) 7.11.1 Gray's page #981 7.12 the abdominal portion of the sympathetic system (Gray's s218) 7.12.1 Gray's page #982 7.13 the pelvic portion of the sympathetic system (Gray's s219) 7.13.1 Gray's page #984 7.14 the great plexuses of the sympathetic system (Gray's s220) 7.14.1 Gray's page #984 7.14.2 Gray's page #985 7.14.3 Gray's page #986 7.14.4 Gray's page #987 7.14.5 Gray's page #988 7.14.6 Gray's page #989 8 See also

[edit] structure of the nervous system (Gray's s183)

[edit] Gray's page #721

• nerve fibers
• gray substance and white substance

[edit] Gray's page #722

• Neuroglia
• Nerve cells
  • Unipolar cells
  • Bipolar cells
  • Multipolar cells
    • Pyramidal cell

[edit] Gray's page #723

• Nerve cells
  • axis-cylinder process or axon
  • protoplasmic processes or dendrons
  • cyton
  • Nissl's granules

[edit] Gray's page #724

• Nerve cells
  • cone of origin
• Nerve fibers
• medullated fibers or white fibers

[edit] Gray's page #725

• medullated fibers or white fibers
  • white substance of Schwann or medullary sheath
  • neurolemma, primitive sheath, or nucleated sheath of Schwann
  • axis-cylinder
  • primitive fibrillae of Schultze
  • neurokeratin

[edit] Gray's page #726

• medullated fibers or white fibers
  • medullary sheath, or white matter of Schwann

[edit] Gray's page #727

• medullated fibers or white fibers
  • nodes of Ranvier
  • internodal segment
  • Ranvier's crosses
  • Frommann's lines
  • medullary segments, or segments of Lantermann
  • neurolemma or primitive sheath
• Wallerian degeneration

[edit] Gray's page #728

• Non-medullated Fibers
• gray or gelatinous nerve fibers (fibers of Remak)
• Structure of the Peripheral nerves and Ganglia
  • cerebrospinal nerves
  • funiculus
  • fasciculi
  • epineurium
  • perineurium
  • endoneurium
  • vasomotor fibers
  • spheroidal tactile corpuscles or end bulbs of Krause
  • nervi nervorum
  • plexus

[edit] Gray's page #729

• Structure of the Peripheral nerves and Ganglia
  • sympathetic nerves
  • sensory nerves, or centripetal nerves or afferent nerves
  • centrifugal nerves or efferent nerves
• Origins and Terminations of Nerves

[edit] Gray's page #730

• origins or central terminations; and peripheral terminations
  • Origins of nerves
    • superficial origin or apparent origin
    • deep origin or real origin
  • Peripheral terminations of nerves
• Motor nerves
  • motor end-plate
• Ganglia

[edit] Gray's page #732

• Neuron theory
  • neuron
  • synapse or synaptic membrane
• Fasciculi, tracts or fiber systems

[edit] development of the nervous system (Gray's s184)

[edit] Medulla spinalis

[edit] Gray's page #733

• Medulla spinalis
• Roof-plate of medulla spinalis
• Floor-plate of medulla spinalis
• layers
  • Ependymal layer
  • Marginal layer
  • Mantle layer
• Spongioblasts
• germinal cells
• Neuroblasts

[edit] Gray's page #735

• Dorsal lamina (Alar lamina)
• Ventral lamina (Basal lamina)
• Terminal ventricle
• Oval bundle
• filum terminale

[edit] spinal nerves

[edit] Gray's page #735

• spinal nerves

[edit] Gray's page #736

• ganglion ridge (neural crest)
• spinal nerve

[edit] Brain

[edit] Gray's page #736

• Brain

[edit] Gray's page #737

• ventral cephalic flexure
• cervical flexure
• pontine flexure

[edit] Hind-brain or Rhombencephalon

[edit] Gray's page #738

• Hind-brain
• isthmus rhombencephali
• Metencephalon
• Myelencephalon

[edit] Gray's page #739

• medulla oblongata
• tractus solitarius
• oval bundle
• rhombic lip

[edit] Gray's page #740

• Rhombic grooves
• Pons: development of:
• Cerebellum: development of:
• Fissura prima (cerebellum)
• Fissura secunda (cerebellum)

[edit] Gray's page #741

• Floccular fissure
• post-nodular fissure
• incisura fastigii

[edit] Mesencephalon

[edit] Gray's page #741

• Mesencephalon

[edit] Prosencephalon

[edit] Gray's page #741

• Prosencephalon

[edit] Gray's page #742

• optic vesicles
• optic stalks
• lamina terminalis
• telencephalon

[edit] Diencephalon

[edit] Gray's page #742

• Diencephalon
• thalamus

[edit] Gray's page #743

• metathalamus
• epithalamus
• posterior commissure
• Pineal recess (recessus pinealis)
• pars mamillaris hypothalami

[edit] Telencephalon

[edit] Gray's page #743

• Telencephalon

[edit] Gray's page #744

• pars optica hypothalami
• cerebral hemispheres
• rhinencephalon
  • Neopallium
  • external rhinal fissure

[edit] Gray's page #745

• corpus striatum
  • caudate nucleus
  • lentiform nucleus
• neopallium
  • lateral ventricle
• falx cerebri

[edit] Gray's page #746

• hippocampal fissure
• hippocampus
• Commissures
  • Hippocampal commissure

[edit] Gray's page #747

• Commissures
  • corpus callosum
  • fornix
  • anterior commissures
    • septum pellucidum

[edit] Fissures and Sulci

[edit] Gray's page #747

• central sulcus
• intraparietal sulcus
• cingulate sulcus
• lateral cerebral sulcus (Sylvian fissure)
• Sylvian fossa

[edit] Gray's page #748

• Development of cranial nerves
• tractus solitarius
• oval bundle

[edit] the spinal cord or medulla spinalis (Gray's s185)

[edit] Gray's page #749

• medulla spinalis or spinal cord
• conus medullaris
• filum terminale
• dura mater
• epidural cavity
• subdural cavity
• arachnoid

[edit] Gray's page #750

• subarachnoid cavity
• pia mater
• ligamentum denticulatum
• spinal ganglion
• spinal segments (Neuromeres)
• cauda equina
• filum terminale
  • filum terminale internum
  • filum terminale externum

[edit] Gray's page #751

• Enlargements of medulla spinalis

[edit] Gray's page #752

• Enlargements of medulla spinalis
  • cervical enlargement
  • lumbar enlargement

[edit] Fissures and Sulci

[edit] Gray's page #752

• Anterior median fissure (fissura mediana anterior)
• Posterior median sulcus (sulcus medianus posterior)
• posterolateral sulcus
• posterior funiculus
• postero-intermediate sulcus
  • fasciculus gracilis (tract of Goll)
  • fasciculus cuneatus (tract of Burdach)

[edit] Gray's page #753

• antero-lateral region
• anterior funiculus
• lateral funiculus
• Internal Structure of the Medulla spinalis

[edit] Gray substance

[edit] Gray's page #753

• Gray substance (substantia grisea centralis)
• central canal
• Anterior column (columna anterior; anterior cornu)
  • lateral column (columna lateralis; lateral cornu)
• Posterior column (columna posterior; posterior cornu)
  • tract of Lissauer
  • substantia gelatinosa of Rolando

[edit] Gray's page #754

• Posterior column (columna posterior; posterior cornu)
  • formatio reticularis
• Central canal (canalis centralis)
  • anterior gray commissure
  • posterior gray commissure
  • terminal ventricle
• substantia gelatinosa centralis

[edit] Gray's page #755

• association neurons or intersegmental neurons
• crossed commissural fibers

[edit] Gray's page #756

• Nerve cells in the Anterior column
  • antero-medial column

[edit] Gray's page #757

• Nerve cells in the Anterior column
  • dorso-medial column
• Nerve cells in the Lateral column
  • lateral nucleus

[edit] Gray's page #758

• Nerve cells in the Lateral column
  • preganglionic fibers of the sympathetic system
• Nerve cells in the Posterior column
  • dorsal nucleus (nucleus dorsalis; column of Clarke)
  • cervical nucleus
  • sacral nucleus
  • dorsal spinocerebellar fasciculus (direct cerebellar)
  • nerve cells in the substantia gelatinosa of Rolando
  • Solitary cells
  • posterior basal column

[edit] White substance

[edit] Gray's page #758

• White substance (substantia alba)

[edit] Gray's page #759

• Nerve fasciculi
  • Wallerian degeneration
  • descending degeneration
  • ascending degeneration
• Fasciculi in the anterior funiculus
  • Descending fasciculi
    • anterior cerebrospinal (fasciculus cerebrospinalis anterior; direct pyramidal tract)

[edit] Gray's page #760

• Fasciculi in the anterior funiculus
  • Descending fasciculi
    • vestibulospinal fasciculus
    • tectospinal fasciculus
  • Ascending fasciculi
    • ventral spinothalamic fasciculus
    • anterior proper fasciculus (fasciculus anterior proprius; anterior basis bundle)