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Scientific Serials

Nature (London), 1875-10, Vol.12 (312), p.546-547 [Periódico revisado por pares]

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  • Título:
    Scientific Serials
  • É parte de: Nature (London), 1875-10, Vol.12 (312), p.546-547
  • Descrição: THE Journal of Anatomy and Physiology, which in future will appear quarterly instead of twice a year, and has two additional editors, both physiologists, Dr. Foster and Dr. Rutherford, contains several important memoirs. The first is by Mr. Frank Darwin, on the primary vascular dilatation in acute inflammation, in which, from a study of the effect of irritants on the web of the frog's foot, he concludes, in opposition to Colmheim, and in accordance with Schiff, that local irritants produce these effects on vessels by acting on the peripheral terminations of the vaso-motor nerves; that they do not cause dilatation by direct paralysis of the tissues of the arteries, and that when the vasomotor nerves include both inhibitory and constrictor fibres, both are stimulated by them, the attendant alteration in the calibre of the vessel being the result of the victory of the one set over the other.-Mr. F. M. Balfour has an important article on the origin and history of the urinogenital organs of Vertebrates, in which the independent discovery by Semper and himself of the seg-mental-organ condition of the primitive Wolffian bodies and kidneys in Elasmobranchiata is fully described, and the mode of development of the Mullerian duct explained. The way in which the segmental organs, opening externally in Annelids, have a ductal termination in Vertebrates is discussed. It is analogous to the manner in which the gill-sacs of Petromyzon, opening externally; those of Myxine have a single external orifice. The paper deserves careful perusal.-Dr. Ogston writes on articular cartilage, and illustrates his observations with six plates. After a description of healthy cartilage, the changes developed in scrofulous arthritis and chronic rheumatoid arthritis are discussed. The paper is more pathological than physiological.-Mr. W. H. Jackson and Mr. W. B. Clarke describe elaborately the brain and cranial nerves of the Shark Echinorhinus spinosus, from two specimens transmitted from Penzance to the Oxford Museum, to which are appended accounts of the digestive and urogenital organs.-Mr. J. Priestley demonstrates that the so-called corneal cells described by Dr. Thin as being brought into view by the action of saturated causic potash solution at 110° F. are, in reality, those of the corneal epithelium.-Mr. E. C. Baber repeats Tillmann's observations on the fibrillar nature of the matrix of hyaline cartilage, confirming them, but differioo as to the reagents which best demonstrate them.-Prof. Turner has an important memoir on the structure of the diffused, the polycotyledonary, and the zonary forms of placenta, which contains the substance of his course of lectures on that subject at the Royal College of Surgeons last summer.-Prof. Rutherford replies to Mr. Lawson Tait's comments on his freezing microtome, satisfactorily demonstrating the value of the instrument.-Dr. Stirling describes his way of preparing skin for histological examination by the rather crude method of partial artificial, digestion.-Finally, Mr. J. N. Langley writes on the action of Jaborandi on the heart, discussing its slowing action which he was the first to determine.-Dr. Stirling's Report on Physiology concludes the number.
  • Idioma: Inglês
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