Carpenter's principles of human physiology . enal Capsule of inosit, with hypoxanthin, taurin, , Cortex; 2 medulla, a Capsule; b, fc bly ieucin, and an alkaline colouring layer of external cell-masses; c, columnar layer . J ? •» o (Zona fasciculata); d, layer of the internal cell- matter. masses; e, medullary substance;/, section of a ^^ Though Brown-Sequardf found that ablation of the Supra-renal Capsuleswas uniformly fatal, yet othersj have shown that this effect is rather * See Art. Supra-renal Capsule in Cyclop, of Anat. and Physiol., vol. iv. Kblliker, Mikroskop. Anat. Henle, Ha
Carpenter's principles of human physiology . enal Capsule of inosit, with hypoxanthin, taurin, , Cortex; 2 medulla, a Capsule; b, fc bly ieucin, and an alkaline colouring layer of external cell-masses; c, columnar layer . J ? •» o (Zona fasciculata); d, layer of the internal cell- matter. masses; e, medullary substance;/, section of a ^^ Though Brown-Sequardf found that ablation of the Supra-renal Capsuleswas uniformly fatal, yet othersj have shown that this effect is rather * See Art. Supra-renal Capsule in Cyclop, of Anat. and Physiol., vol. iv. Kblliker, Mikroskop. Anat. Henle, Handbucb der Anat., Band ii. 1866, p. 561 ; also GulliversAppendix to Gerbers Anat., p. 103, and Figs. 266 and 267. Holm, Molescbotts Untersuch., 1867, Band x. p. 456. Arnold, Virchows Arcbiv, 1866 ; Grandry, BobinsJournal de 1Anatomie, 1867; Eberth, in Striekers Human and Comp. Histology,*vol ii. 1872, p. 110. t Journ. de la Pbys., vol. i. 1858, p. 160. % As Phillipeaux, Comptes Eendus, 1856-57 ; Harley, Rev., 1858, vol. VASCULAR GLANDS: THYMUS GLAND. 213 attributable to haemorrhage and the unavoidable injury to the nerves, andespecially to the semilunar ganglia, attendant upon the operation, than, asBrown-Sequard believed, to the retention of some poisonous substance in thecirculation, which it is the office of these bodies to remove. Since the year1855 much importance has been attached to the study of the diseases of theseorgans, from the observation of Dr. Addison, that such cases are frequentlyassociated with the deposition of pigment in the skin, causing it to assume adeep bronze colour. It has, however, been shown* that bronzing of theskin may be present and yet the supra-renal capsules be healthy; whilst casesfhave been recorded in which disease was present in one or both of theseorgans, yet no bronzing of the skin occurred. Further inquiry is thereforerequisite to determine whether the disease of the capsules and the discolorationof the skin really stan
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