SUMMARY(anat20)
Nervous system in fish
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I: Olfactory nerve, II: Optic nerve, 1: Olfactory bulb, 2: Telencephalon, 3: Mesencepahlon, 4: Metencephalon, 5: Myelencephalon, 6: Inferior lobe of diencephalon |
1. Central nervous system
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1:Olfactpry bulb, 2:Telencephalon, 3.Epiphysis, 4: Mesencephalon, 5:Metencephalon, 6:Valvula cerebelli, 7:Myelencephalon, 8:Impar lobus, 9:Plica ventralis, 11:Saccus vasculosus, 12:Hypophysis, 13:Infundibulum, 14:Optic chiasma, 15:Diencephalon, 16:Basal ganglion and pallium(teleostei), 21:Commissura rostralis |
1) Brain Òà
--- a. Protencephalon(Prosencephalon)
--- Forebrain or cerebrum
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Telencephalon\ Diencephalon
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b.
Deuterencephalon
--- Midbrain
--- Mesencephalon
c. Tritencephalon
--- Rhombencephalon or hindbrain
--- Myelencephalon
--- Medulla oblongata
--- Metencephalon
--- The most conspicuous part of which is the cerebellum
--- Cerebellum\ Pons
2) Spinal cord ô±âÐ
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(1) Embryological aspect
(2) Anatomical aspect
--- a. Gray matter
--- The center of the spinal cord
b. White matter
--- Central nervous pathways
c. Central canal
--- Ependyma (Glial cells)