Juntendo Medical Journal
Online ISSN : 2188-2134
Print ISSN : 0022-6769
ISSN-L : 0022-6769
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Volume 5, Issue 4
Displaying 1-10 of 10 articles from this issue
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  • Ueber ein Korsakowsyndrom und Somnolenz verursachtes Kraniopharyngeom.
    Takao ISHIZAKI, Teruo OHKUMA, Hirotaro NARABAYASHI
    1959 Volume 5 Issue 4 Pages 253-258
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.253
    JOURNAL FREE ACCESS
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    Es handelt sich um einen 39 jährigen Patienten mit dem Korsakowsyndrom, das bis zu seinem Tode etwa 12 Monate lang andauerte. Am Krankheitsbeginn traten Kopfschmerzen, geringes Fieber und Charakterveränderungen, dann später Somnolenz, Delirien und manifestes Korsakowsyndrom auf. Aus dem Sektionsbefunde ergab sich, daβ ein Kraniopharyngeom im Gehirne gelegen hatte. Die auf den Tumor zurückzuführende Schädigung erstreckte sich hier auf den Mammillarkörper und Hypothalamus. Von klinischen und pathologisch-anatomischen Standpunkten aus hat der Verfasser das Korsakowsyndrom berücksichtigt.
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  • The Change of Membrane Potential of the Skeletal Muscle during Electric Stimulations
    Moto MATSUMURA
    1959 Volume 5 Issue 4 Pages 259-264
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.259
    JOURNAL FREE ACCESS
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    (1) The sartorius muscle or the toe muscle of the frog and toad were used. The membrane potential and tension development during tetanic contraction were recorded simultaneously on the cathoderay oscilloscope. (2) The muscle was stimulated by a.c. (50c/sec) of 0.5sec duration in every 5sec. After the muscle was stimulated in the field of 0.4V/cm, which was the minimum strength for the maximal contraction, the recovery of contractility was perfect after 10minutes rest. In the field of 4V/cm, however, it was not so perfect. (3) The amount of shortening decreased by and by in the course of stimulation, but the membrane potential decreased a little in the first few steps, and it did not change thereafter. (4) The direct interrelationship between contraction and depolarization could not be obtained. This fact means that there must be a certain coupling process between membrane excitation and muscular contration. (5) When the conductive mechanism of muscle membrane had been paralysed by 0.6% procaine, excess potassium or sodium lack in Ringer's solution, strong a.c. field (4V/cm) still produced a contraction as much as 80% of the normal contraction. In the course of intermittent tetanic stimuli, the membrane potential decreased slightly but progressively as well as the amount of shortening. (6) In the non-conductive muscle the strong electric current may stimulate directly the coupling process and it may depolarize the membrane at the same time. The depolarization by current was so little that it was considered to be not enough to activate the coupling process.
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  • The Mechanism of Caffeine Contracture
    Moto MATSUMURA
    1959 Volume 5 Issue 4 Pages 265-268
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.265
    JOURNAL FREE ACCESS
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    (1) The tension and membrane potential during the caffeine contracture of frog sartorius muscle were recorded simultaneously. (2) The membrane potential did not alter at all, while the contracture tension developed. (3) The threseold of electric stimulus for contraction did not change during caffeine contracture, and the contraction by electric stimulus was superposed on the contracture. The nature of caffeine contracture, therefore, would be similar as a normal contraction. (4) In the hypertonic Ringer's solution, containing 2.5-3.0 times of NaCl, in which muscle can not contract by electric stimulus in spite of the appearance of action potential, caffeine could still, produce a contracture. (5) Caffeine could produce a contracture in the exausted muscle. (6) Caffeine may stimulate directly the second intermediate process (activation process) between action potential and contraction, and the hypertonicity may block the first one (spike-activation link).
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  • Studies on the Enterohacteriaceae isolated from Urinary Infections
    Report IV. Studies on Providencia P. rettgeri and P. morganii isolated from Urinary Infections.
    Shyoku FUJINO
    1959 Volume 5 Issue 4 Pages 269-272
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.269
    JOURNAL FREE ACCESS
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    240 Strains of Providencia, Proteus rettgeri and Proteus morgania isolated from urinary infections and normal faeces were examined biochemically and serologically. Proteae isolated from urinary infections and from faeces can be differenciated from each other in serological types, and most of strains of same source belong to the same serological types. These facts indicate the significanc of Providencia Pr. rettgeri and Pr. morganii as the pathogene in urinury infections.
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  • THE SUB-GROUPS OF BLOOD GROUP B IN MAN
    Mitsuo YOKOYAMA, Margaret BARBER, I. DUNRFORD
    1959 Volume 5 Issue 4 Pages 273-277
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.273
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  • On the Initial Shortening of Skeletal Muscle during Single Twitch
    Hidenobu MASHIMA, Moto MATSUMURA
    1959 Volume 5 Issue 4 Pages 278-282
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.278
    JOURNAL FREE ACCESS
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    (1) Using the sartorius muscle of the frog or toad, the relation between tension and shortening during twitch was investigated under various conditions. (2) The amount of initial shortening, which was defined as the shortening at the moment when the initial tension development decreased to the level of resting tension, did not change in spite of the increase of equivalent mass within the certain limit. (3) The amount of initial shortening did not change when the load increased within the certain limit under the after-load condition. (4) The amount of initial shortening did not change when the velocity of shortening was controled within the certain limit by the velocity-controler. (5) Above properties of the initial shortening would be explained by two contractile components, one of which is stronger than the other.
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  • Objective Measurement of Axial-lengh on the Living Eye
    Kiyonori AMANO
    1959 Volume 5 Issue 4 Pages 283-291
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.283
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    An X-ray photograph was taken after an injection of air into Tenon's sac and after putting on a corneal lens in front of the cornea as contrast media, and a length of eye-axis of the living body was measurd objectively. (1) Volume of injected air was 5.0cc. (2) A corneal lens, including tin powder, with a diameter of 11.5mm had the radius of curvature coincided with the front curvature of the cornea. (3) Condition of X-ray photography : Siemens Rotarics tube ; Voltage : 64KV; Current intensity : 100mA; time : 1.2 sec; distance 100cm; (4) The length of the axis of 60 eyes on Emmetropia ranged between 22.9mm and 25.4mm. The average was 24.38mm. (5) No. disturbance was caused by this measurment.
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  • The Statistical Observation of Death Hour seen from the Death Certificates in Tokyo, 1952.
    Yasuhiro SUZUKI
    1959 Volume 5 Issue 4 Pages 292-302
    Published: 1959
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.5.292
    JOURNAL FREE ACCESS
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    The author has made a statistical study of the death hour based on the death certificates in Tokyo, 1952, When the total death in a.m. (52.06±0.17%) was campared with that in p.m. (46.76±0.17%), the rate in a.m. was higher than that in p.m. and it was proved to be highly significant statistically. The rate of infant death was 56.70±0.52% in a.m. 42.18±0.52% in p.m. This also showed that the rate of death in a.m. was higher and it was statistically significant. When the materials were classified every 6 hours, it was found that deaths took place most frequently from 6 a.m. to 12 a.m. and then followed deaths from 0 p.m. to 6 p.m. from 0 a.m. to 6 p.m. and from 6 p.m. to 12 p.m. Classified every one hour, deaths were less during 0-1 hour both in a.m. and in p.m. Social and economical, factors may influence the documents of death certificates, so the deaths of out-patients that are supposed to be more or less influenced by some of above-mentioned factors were compared to the deaths of in-patients hat are supposed to be less influenced by external factors, but no statistically significant difference was discoverd between them. In tnberclosis, malignant neoplasmas, cardiovasdular diseases, senility, ulcer of stomach and duodenum, gastritis and enteritis, premature birth, congenital debility, the rates of death were higher in a.m. than in p.m. and found statistically significant. When the materials were classified by 5, year age groups, from 15 year age group to 75 year age group, the rates of death were higher in a.m. and they were also statistically significant.
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