The Journal of Comparative Neurology, Volume 13Editors, Denison University, 1903 |
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... Frog - Rana virescens . By HENRY H. DONALDSON . ( From the Neurological Laboratory of the University of Chicago . ) . No. 4 , DECEMBER , 1903 . Pages 259-336 , xxix - xliv . CONTRIBUTED ARTICLES . The Rate of the Nervous Impulse in the ...
... Frog - Rana virescens . By HENRY H. DONALDSON . ( From the Neurological Laboratory of the University of Chicago . ) . No. 4 , DECEMBER , 1903 . Pages 259-336 , xxix - xliv . CONTRIBUTED ARTICLES . The Rate of the Nervous Impulse in the ...
Page 73
... frog . 33 The degeneration method has given contradictory results . According to VEJAS ( 1883 ) and JOSEPH ( 1887 ) , this method demonstrates in the cat and the rabbit the presence of fibers which degenerate towards the ganglion after ...
... frog . 33 The degeneration method has given contradictory results . According to VEJAS ( 1883 ) and JOSEPH ( 1887 ) , this method demonstrates in the cat and the rabbit the presence of fibers which degenerate towards the ganglion after ...
Page 74
... frog the number of nerve fibers distal to the spinal ganglia is greater than the number in the dorsal and ventral roots combined . Ac- cording to DUNN ( 1900 ) , in the frog about 6 to 8 % of all the fibers in the mixed nerves which ...
... frog the number of nerve fibers distal to the spinal ganglia is greater than the number in the dorsal and ventral roots combined . Ac- cording to DUNN ( 1900 ) , in the frog about 6 to 8 % of all the fibers in the mixed nerves which ...
Page 180
... frog ( BIRGE , 1882 ) . The addition of the new fibers between 165 and 264 grams is very small , and therefore the animal having a body weight of 165 grams may be regarded for this purpose as adult . These results show that the number ...
... frog ( BIRGE , 1882 ) . The addition of the new fibers between 165 and 264 grams is very small , and therefore the animal having a body weight of 165 grams may be regarded for this purpose as adult . These results show that the number ...
Page 181
... frog . I have pointed out already , that the total number of the medullated fibers in the two roots increases from 10.3 to 264.3 grams , although the increase is not so marked between 65 and 264.3 grams as at the younger ages . From ...
... frog . I have pointed out already , that the total number of the medullated fibers in the two roots increases from 10.3 to 264.3 grams , although the increase is not so marked between 65 and 264.3 grams as at the younger ages . From ...
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Common terms and phrases
Anat Antero-posterior average body brain branches chorda tympani Coefficient of variability columella Copper bichromate corpus callosum cortex cross-sections curves cutaneous nerve fiber degeneration dermal surface determined Distal Proximal dorsal roots entering the leg estimate experiments facialis fact Fascicle fibers entering fibrillae fishes fissure formalin Frog gustatory haematoxylin hemisphere innervation Journ jugularis Length of cord ligament lobe Macacus mammals mandibularis internus medullated nerve fibers method mm² mordanted muscles Necturus neopallium nerve cells nerve cord nerve fibers nervous system neuroglia neurokeratin neurones neuropil number of fibers Number of Nerve observed numbers occipital operculum Osmic passes peripheral posterior Postero-anterior Potassium bichromate ramus relation root fibers scar sections segments sensory shank and foot side skin specimen Spelerpes spinal cord spinal ganglia spinal nerves splitting fibers squamosum stained STILLING'S stilus structure sulcus TABLE terminal buds thigh tion ventral roots worm
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