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- 저자 : 李元求 (검색결과 506 건)
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이원구,조백기,박연래 대한피부과학회 1978 大韓皮膚科學會誌 Vol.16 No.3
We report a patient with dermatitis caused by the bite of Omithonyssus bacoti (Hirst, 1913), commonIy referred to as the tropical rat mite. The bite of this mite resulted in a severely pruritic papular eruption in our patient, 32 year old Korean housewife, and her two daughters. We found the mites on the patients skin and also on dead rats captured from the patients house. Though we think that the rat mite d.ermatitis is not infrequent disease, we are going to report the case because the people are apt to overlook the disease and it can become an occupational hazard.
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이원구,김명국,유봉구 고신대학교 의과대학 2010 고신대학교 의과대학 학술지 Vol.25 No.1
Although the urinary dysfunction was associated with a pontine lesion in most cases, information about the precise anatomic localization was limited. Furthermore, micturitional disturbance has rarely been reported in patients with lateral medullary infarction. A 74-year-old man developed difficulty in initiation of voiding, swallowing difficulty and dysarthria for 1 day. Neurological examination revealed hypesthesia in the left face and right limbs and trunk, left eye ptosis and anisocoria, and left facial palsy. Diffusion-weighted MRI showed acute infarction in the left lateral medulla. Initial residual bladder volume after voiding was 800 mL. Urodynamic study showed flaccid type of neurogenic bladder. After 2 weeks, his voiding symptom has been nearly recovered with little residual urine (100 mL). Urinary retention can be easily overlooked in many patients with unilateral medullary infarction because of its transience or clinical inattention. This case suggested that urinary retention might be caused by interruption of descending fibers from facilitatory pontine tegmentum micturition centers.
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이원구,황창연,소상섭 한국생태학회 1999 Journal of Ecology and Environment Vol.22 No.5
저자들은 1998년 4월부터 10월 사이에 전북 전주시 인근의 고덕산에서 붉나무(R.javanica)에 오배자면충(S. chinensis)의 충영이 형성되는 과정을 조사하였다. 오배자 충영의 대다수(56.8%)는 붉나무 잎의 첫 번째 익엽(pinnate), 24.3%는 두 번째 익엽에 형성되었다. 충영은 6월 1일에 형성되기 시작했으며 6월 24일까지는 서서히 자랐다. 충영은 8월 11일 이후에는 급격하게 커졌으나, 성장률은 8월 26일 이후에는 감소하고 9월 8일 이후에는 성장이 정지되었다. 유시태생암컷(alate viviparous female)은 9월 24일 이후에 충영으로부터 탈출하였다. 간모(충영내의 제 1 세대)는 세 번 탈피하여 6월 24일에 성체가 되었다. 간모 성체는 체내에 1∼10개의 알을 가지고 있었고 1∼16개체의 제 2세대 약충을 출산하였다. 제 2세대의 약충은 6월 17일에 나타나기 시작하여 7월 14일에 알을 내포하는 개체가 출현하기 시작하였으며 7월 24일에 완전히 성숙하였다. 제 2세대의 성체는 체내에 알을 간직하고 있었다. 그러므로 제 2세대의 발육 기간은 27∼37일이었다. 제 3세대의 약충은 7월 14일에 나타났고 최종적으로 유시태생암컷(alate viviparous female)은 9월 24일에 발육되었다. 제 3 세대의 시작과 최종 유시태생 암컷의 출현 사이의 두 달 동안에는 최소한 두 세대 즉, 제 3, 제 4 세대가 존재해야 할 것이다. 제 4 세대는 8월 20일 경에 시작될 것인데 왜냐하면 8월 26일의 충영내 면충 개체수(2,859마리)는 8월 19일의 개체수(263마리)보다 10배 이상 증가되었기 때문이 다. 충영의 탄닌 함량은 65.04∼68.23%이었고 한편 붉나무 잎과 줄기에서의 함량은 각각 11.56, 3.49%였다. During the period from April to October, 1998 the authors investigated the gall development process of Chinese gallnuts (Schelchtendalia chinensis) on sumac (Rhus javanica) at Mt. Goduk near Chonju city in Chonbuk province. The majority (56.8%) of chinese gallnuts were formed on first pinnates and 24.3% on second pinnates of sumac leaves. Galls began to form from the 1st of June and grew slowly until the 24th of June. Galls enlarged rapidly after the 1st of August, but their growth rates decreased after the 26th of August and stopped growing after the 8th of September. Alate viviparous females escaped from galls after the 24th of September. Fundatricies, the second generation in the galls, exuviated three times to become adults on the 24th of June. Fundatrix adults bore 1∼10 eggs in the body and laid 1∼16 nymphs of the second generation. Nymphs of the second generation began to appear on the 17th of June and had matured completely on the 14th∼24th of July. Adults of the second generation bore eggs in the body. Thus the developmental period of the second generation was 27∼37 days. Nymphs of the third generation appeared on the 14th of July and finally alate viviparous females were developed on the 24th of September. During the two months from the beginning of the third generation to the appearence of the final alate viviparous females, there should be at least two generations, that is, the third and fourth generations. The fourth generation seems to begin at about the 20th August because the number of inhabitants (2,859 individuals) in galls on the 26 th of August had increased more than 10 times those (263 individuals) on the 19 th of August. The tannin content of galls was 65.04∼68.23% while that of sumac leaves and stems was 11.56%, 3.49% respectively.
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