SPINAL CORD AND MEDULLA OF CYCLOSTOMES 



WILIIAM F. AI.LEN 



-M.D.Q. 



C.C. 



M.B.C. 



B.V. 



C.C. 



V^ -,^*«\r^' 



C.//.A. 



Nc. 



M.V.C. 



22 



\ ' V ^\ 1/ 



■ M.V.C. 



23 



AltllKKVIATIONS 



/^. r., I)lood vessel 



r.(\, central canal 



(\X..\., cartilaginous neural arch 



C.T., white fibrous connective tissue 



Ep., epcndynia 



M.D.C, median dorsal cartihiuinous l)ar 



M.V.C, median ventral cart ihifiinous liar 



Myii., myotonies 

 Xc, notochord 

 S.C.F., cerebro-spinal 

 Sp.M., spinal cord 

 S./?., sensory or dorsn 



root 

 S.T., sinus terminalis 



1 spinal nerve 



55 



