. Elements of histology. Histology. n6 Elements of Histology. [Chap. xv. and which is a single efferent medullated nerve-fibre (Fig. 71), differing from an ordinary medullated nerve- fibre merely in the fact that outside the neurilemma of the nerve-fibre there is present a thick laminated connective tissue sheath, which is the sheath of Henle—continuous with the perineural sheath of the nerve branch with which the nerve-fibre is in connection. This medul- lated nerve-fibre within its sheath possesses generally a very wavy outline. The corpuscle itself is com- posed of a large number of lamella
. Elements of histology. Histology. n6 Elements of Histology. [Chap. xv. and which is a single efferent medullated nerve-fibre (Fig. 71), differing from an ordinary medullated nerve- fibre merely in the fact that outside the neurilemma of the nerve-fibre there is present a thick laminated connective tissue sheath, which is the sheath of Henle—continuous with the perineural sheath of the nerve branch with which the nerve-fibre is in connection. This medul- lated nerve-fibre within its sheath possesses generally a very wavy outline. The corpuscle itself is com- posed of a large number of lamellae, or capsules, more or less concentrically ar- ranged around a central elongated or cylindrical clear sjiace. This space contains in its axis from the proximal end, , the one nearest to the stalk, to near the opposite or distal end, a continuation of the nerve-fibre in the shape of a si?nple axis cylinder. But this axis cylinder does not fill out the central space, since there is, all round the faintly and longitudinally striated axis cylinder, a good deal of space left filled with a transparent substance, in which, in some instances, rows of spherical nuclei may be perceived along the margin of the axis cylinder. At or near the distal end of the central space the axis cylinder divides in two or more branches, and these terminate in pear-shaped, oblong, spherical, or irregularly-shaped granu]ar-looking Fig. 71.—A Pacinian Corpuscle, from the Mesentery of the Cat. a, The medullated nerve-fibre; 5, the concentric 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. Philadelphia : H. C. Lea's Son
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