The Journal of Comparative Neurology and Psychology, Volume 15Editorial Office, Denison University, 1905 |
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Page 10
... ventral root of the 7th spinal nerve . Specimen 17. Toad ( Bufo lentiginosus ) , sciatic nerve , summer . Specimen 18. Mud - Puppy ( Necturus maculatus ) female , length 18 cm . , sum- mer . Specimen 19. Common Lizard ( Sceloporus ...
... ventral root of the 7th spinal nerve . Specimen 17. Toad ( Bufo lentiginosus ) , sciatic nerve , summer . Specimen 18. Mud - Puppy ( Necturus maculatus ) female , length 18 cm . , sum- mer . Specimen 19. Common Lizard ( Sceloporus ...
Page 18
... ventral root fibers of all the spinal nerves of one side of six frogs varying in weight from 1.5 to 111 grams and , assuming the fibers of the two sides approximately equal in number , his figures show an average total gain of 51 ventral ...
... ventral root fibers of all the spinal nerves of one side of six frogs varying in weight from 1.5 to 111 grams and , assuming the fibers of the two sides approximately equal in number , his figures show an average total gain of 51 ventral ...
Page 20
... ventral side , the spinal ganglia and dorsal branches carefully exposed and dissected free with the aid of the dis- secting microscope . Avoiding pulling and stretching , the dorsal and ventral roots were clipped with fine scissors ...
... ventral side , the spinal ganglia and dorsal branches carefully exposed and dissected free with the aid of the dis- secting microscope . Avoiding pulling and stretching , the dorsal and ventral roots were clipped with fine scissors ...
Page 24
... ventral root and the number in the dorsal branches and in the trunk taken close up to the peripheral border of the spinal ganglion but beyond the region of outlying ganglion cells . The general results of these enumerations are given in ...
... ventral root and the number in the dorsal branches and in the trunk taken close up to the peripheral border of the spinal ganglion but beyond the region of outlying ganglion cells . The general results of these enumerations are given in ...
Page 25
... ventral root No. of fibers in the ventral root . Sum of fibers in the trunk and dorsal branches . No. of fibers in the dorsal branches . 7.0 204 718 3.5 2.5 280 י 7 351 211 76 27.6 275 1 : 2.9 10.4 257 871 3.4 2.4 355 100 455 232 98 ...
... ventral root No. of fibers in the ventral root . Sum of fibers in the trunk and dorsal branches . No. of fibers in the dorsal branches . 7.0 204 718 3.5 2.5 280 י 7 351 211 76 27.6 275 1 : 2.9 10.4 257 871 3.4 2.4 355 100 455 232 98 ...
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Common terms and phrases
Anat animal arch auditory average body weight brain brain-weight branchial buds caudal centers cerebellum commissure connection cutaneous decussation direction distal excess dorsal branches dorsal root dorsal root fibers ectoderm facial lobe fact fishes frog function ganglia ganglion cells gill grams gustatory nucleus gustatory system head innervated insect Jour lateral layer light lobus medulla medullated ments mesoderm method motor movements muscles myotomes nerve fibers nerve roots nervous system neural neural plate Neurology neuromast neuromere neurones normal nucleus number of fibers oblongata observed olfactory optic optic vesicles peripheral Petromyzon phototaxis Physiol placodes position posterior Psychology rami ramus Ranatra rats reaction reflex region relations secondary gustatory tract segment selachians sense organs sensory sheath somatic somite specimens spinal cord spinal ganglion spinal nerves stimulus structure sympathetic tactual teleosts three nerves tion trunk and dorsal University vagal lobe vagus ventral root vertebrates vesicle visceral
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