. Elements of histology. Histology. NerI'E Fibres. 147 the brain and spinal cord. In these organs, in the hardened and fresh state, numerous nerve fibres may be noticed, whicli show more or less regular f(iil//'i///('l|-i N^I/f^PI varicosities, owing to ((allllamlmru il/^^ h local accumulations of /: MlUlnf/rnwi!Wm% fluid between the axis /Jl////tlW^lJ///j >^^^^ cylinder and medullary jl Bnif'lJ'/^^iJf'liHwV^ sheath. These are called varicose nerve. B \\\l^ Fig. 101.—Medullated Xerve Fibres. A, Medullated nerve fibre, show- ing the subdivision of tlie medullary sheath into cylin- drical sec
. Elements of histology. Histology. NerI'E Fibres. 147 the brain and spinal cord. In these organs, in the hardened and fresh state, numerous nerve fibres may be noticed, whicli show more or less regular f(iil//'i///('l|-i N^I/f^PI varicosities, owing to ((allllamlmru il/^^ h local accumulations of /: MlUlnf/rnwi!Wm% fluid between the axis /Jl////tlW^lJ///j >^^^^ cylinder and medullary jl Bnif'lJ'/^^iJf'liHwV^ sheath. These are called varicose nerve. B \\\l^ Fig. 101.—Medullated Xerve Fibres. A, Medullated nerve fibre, show- ing the subdivision of tlie medullary sheath into cylin- drical sections imbricated with their ends ; a nerve corpuscle with an oval nucleus is seen between tlie neurilemma and the medullary sheath, b, me- dullated nerve fibre at a node or constriction of Kanvier ; the axis cylinder passes uninter- ruptedly from one 'inent into the other, but the medull- ary s sheath is interrupted. ( Retzius.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Klein, E. (Edward), 1844-1925; Edkins, John Sydney, b. 1865. Philadelphia : Lea Brothers
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