SUMMARY(anat20)

Nervous system in fish

 

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

 

 

 

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

                   --- Telencephalon\ Diencephalon
 

 

 

 

 
        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

 

 

 

 

    (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)