Juntendo Medical Journal
Online ISSN : 2188-2134
Print ISSN : 0022-6769
ISSN-L : 0022-6769
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Volume 2, Issue 3
Displaying 1-12 of 12 articles from this issue
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  • Studies on the Structure of the Red Blood Corpuscles.
    Sakae MASUDA
    1956 Volume 2 Issue 3 Pages 131-143
    Published: August 10, 1956
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.2.131
    JOURNAL FREE ACCESS
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    It has been generally believed that the red blood cells have no structural differentiation, but from studies based on my own new staining method, I have found a definite structure in these cells. The structure found by me is closely related to blood groups under the normal condition of the cells. It is true morphologically also that the red blood cells contain the blood group substances both in man and animals. The humans are now classified serologically accouding to their blood groups; and it is now possible to classify them on the basis of the structural differences of their red blood cells. The latter classification fits well with the former. This seems to indicate that the blood groups which have been thought to be the serological types are the types that are differentiated by the morpholo gical characteristics of the red blood cells. It is clear also from my studies that the red blood cells are not without structufal differentiation and are closely related with the antigens as well as the antigenantibody reactons. It is certain also that the latent period in serology corresponds to the important period during which the antigens mature in the red blood cells. Although the functions of the red blood cells should be further studied mouphologically, it has been made clear that the carbohydrate metabolism occurs in these cells. It is easily imaginable that these cells, being living cells, are carrying on various metabolic activities in addition to the respiratory function which is due to the presence in them of the hemoglobin. I believe that these metabolic phenomena will be understood in morphological terms in the near future. Furthermoue, I realize that the physiology and pathology of the red blood cells should be studied further in relation to their morphology.
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  • Reciprocal Innervation in Spinal Cord of Frog
    Ayao WATANABE
    1956 Volume 2 Issue 3 Pages 144-151
    Published: August 10, 1956
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.2.144
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    The types of reciprocal innervation and the pathway of central inhibition of the spinal frog during reflex action was studied by constructing a special electrode enabling an easy recording of the EMG of frog muscle. 1) In flexion reflex of frogs, complete control by reciprocal innervation of the antagonistic muscle is carried out and moreover the double reciprocal innevvation of the right and left is also complete. 2) Reciprocal innervation is not present in flexion reflex with transsectioned preparations of the spinal cord below the fourth intervertebral space. For the inhibition to give rise to reciprocal character to the movement of the lower limbs, the height must be placed at least at the fourth intervertebral space or above. 3) In strychnine treated preparations, reciprocal innervation was completely lost and in all muscles of the whole body, synchronized impulse groups were observed. Therefore it can be thought that strychnine paralyses the inhibition and removes the reciprocal character. The fact that the whole spinal cord is synchronized suggests that there is some sort of an inhibition center present. 4) It is believed that nerve cell of the neuron of the inhibitory pathway is situated chiefly at the height of the third intervertebral segment.
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  • Studies on tne Organ Hydrolysates
    (3) Pharmacology of Pancreas Hydrolysate
    Kocho SATO, Shuichi HAYASHI
    1956 Volume 2 Issue 3 Pages 152-158
    Published: August 10, 1956
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.2.152
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    1) Investigations were made on the pharmacological effects of pancreas hydrolysate on toads, mice, rabbits, dogs and rats. 2) Pancreas hydrolysate acts on pancreas through the central nerve in an organspecific way, and quickens its function both in its external and internal secretions. 3) There can be observed a definite difference between pancreas hydrolysate and insulin or kallikrein.
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  • Studies on the Medically Important Arthropods in Narashino District, Chiba Prefecture.
    2. Studies on Mosquitoes and Flies.
    Keiji HIRAKI, Jun HARA
    1956 Volume 2 Issue 3 Pages 159-161
    Published: August 10, 1956
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.2.159
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    Studies on the medically important insects, especially on mosquitoes and flies were carried out since July, 1955. Specimens collected by Light trap, aspirator and dipper f rom field in and around Juntendo University were identified. Results obtained by this survey are listed on Table 1 and Table 2. 3 genera, 6 species, 223 individuals of mosquitoes were collected by light trap and over 1500 mosquitoes were examined in winter, but Culex tritaeniorhynchus, the most important vector of Japanese B encephalitis was not able to be collected since the begining of October. 4 genera, 5 species, 460 of flies were collected by Light trap and same species of flies were identified by field surveys. Relation of seasonal occurrence of mosquitoes to environmental factors has been studied, but no conclusion came yet.
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  • Electrodermogram in Poliomyelitis
    Toshitaka KAMEDA
    1956 Volume 2 Issue 3 Pages 162-184
    Published: August 10, 1956
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.2.162
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    The electrical skin resistence at the palmo-plantal region of the monkeys inocculated by polio and of the polio patients in every stage and/or in several degrees is estimated by the apparatus devised by Prof. Katsuki. Comparative studies between the results of the pharmacological tests of autonomic nervous system and electrodermograms are carried out in polio patients. The followings are summarized : (1) At the onset of polio the skin resistence decreases transiently and then turns to increase to a little over the normal level. When the paralysis becomes constant it decreases again, but still keep a higher than normal. (2) In the severe condition of the inocculated polio monkey, the skin resistence increases markedly. In convalescence by adequate treatment the skin resistence decreases again to the constant level being higher than normal. (3) The increase of the skin resistence is seemed to be parallel to the grade of muscle of muscle paralysis. (4) The skin resistence of polio patients becomes constant over normal about a year after the onset of paralysis. This high resistence are also obtained in long suffering patients of polio with constant paralysis. (5) The skin resistence is estimated before and after the pharmacological test of autonomic neruous system by Ueda's method in polio patients, the results of either test have, in general, the same clinical significance.
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  • A Case report bilieved to be Eisenmenger Complex.
    Toru KATO, Hiroshi OTA, Eiji HARADA, Noboru OGAWA, Ryuzaburo IWATA, Ic ...
    1956 Volume 2 Issue 3 Pages 185-189
    Published: August 10, 1956
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.2.185
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    A Case believed to be an Eisenmenger Complex of a 25 year old female patient was reported.
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  • Case Report of Testicular Tumors
    Tetsuo WATANABE
    1956 Volume 2 Issue 3 Pages 190-196
    Published: August 10, 1956
    Released on J-STAGE: November 22, 2014
    DOIhttps://doi.org/10.14789/pjmj.2.190
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    1.Two cases of testicular tumor in children are presented, One is adenocarcinoma of the left side in a child of four years and five months and the other a seminoma of the left side of a year and two months child. 2.Tumors of the testis are comparatively rare, and particularly rarely found in children. 3.Age. Among tumors of the testis seminoma is definitely of highest incidence and conseqnently the distribution of the whole testicular tumors on ages coincides with the age at which seminoma is apt to develop, most cases being found between 40 and 50 years. When observed only from the viewpoint of the incidence of adenocarcinoma it overwhelmingly occurs in children under six years of age. Seminoma is a testicular tumor of extreme rarity in childhood. 4.The size of the tumor varies greatly; i. e. from the size of a cherry to that of an infant's head. 5.There was found no predilection for the side. However, bilateral growths are considered quite unnsual. 6.The heredity is not proven. 7.Undescended testis, ectopic testis and trauma have some relationship to the development of testicular tumors. 8.Early metastasis occurs in malignant testicular tumor and leads to comparatively rapid termination in death while the benign tumor also has a tendency to turn malignant. The metastasis occurs in many areas therefore presenting extremely poor prognosis unless radical operation is performed in the early stages.
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