The distribution, external morphology, radula, chromosome numbers of Planorbidae snails were studied. The specimens were collected at four stations in Nonsangun, Kongjugun, and Daedukgun which are located around Geum river. Three genera and three species of Planorbidae, Hippeutis cantori, Segmentina hemisphaerula and Gyraulus convexiusculus, were collected. H. cantori was the most abundant species among the three species. G. convexiusculus was the least abundant one. Each species could be identified on the basis of its external characteristic, since the periphery of each species has a peculiar shape. H. cantori was the largest one among the three species. The radula formula of each species was very similar to other species. The size of radula was proportional to the size of shell. The radula formulae of H. cantori, S. hemisphaerula, and G. convexiusculus were 29:1:29, 23:l:23, and 16:1:16 respectively. The difference of radula formula could be found in the total numbers of laternal and marginal teeth. The haploid chromosome number of H. cantori was eighteen (n=18). S. hemisphaerula and G. convexiusculus were assumed to be same in their chromosome numbers (n=18).
malacology ; Planorbidae ; morphology ; chromosome ; epidemiology ; Hippeutis cantori ; Segmentina hemisphaerula ; Gyraulus convexiusculus

No abstract available.
Humans

No abstract available.
Shoulder Fractures*

The study was conducted to investigate the influences of food service employees' job burnout, job engagement, and workplace safety perception on their job satisfaction. A survey was administered on 589 school food service employees in Gyeongbuk from December 5, 2005 to February 18, 2006. The final response rate was 71% (N = 416); the data were analyzed using SPSS Windows (ver. 12.0). A majority of the respondents were females (99.0%) and 40 years old or older (75.3%); 84% were temporary contract-based or irregular workers. Among the job burnout dimensions, exhaustion (2.98 +/-0.59) was rated higher than cynicism (2.33 +/-0.54), while professional efficacy level (3.61 +/-0.47) was relatively high. In terms of job engagement, the means of absorption (3.67 +/-0.49) and dedication (3.65 +/-0.52) were higher than that of vigor (3.22 +/-0.46). A systematic environmental level (3.15 +/-0.58) was lower than safety knowledge level (3.63 +/-0.49) among the workplace safety statistics, whereas the anxiety level (3.25 +/-0.74) was relatively high. The food service staff were more satisfied with 'supervisors' and 'co-workers' than with 'pay' and 'promotion'. A hierarchial regression analysis revealed that dedication, absorption, systematic environment, and safety knowledge were significant factors to increase job satisfaction and exhaustion which significantly decreased their job satisfaction.
Absorption ; Adult ; Anxiety ; Surveys and Questionnaires ; Female ; Food Services* ; Gyeongsangbuk-do ; Humans ; Job Satisfaction*

The purpose of this study was to identify the branching patterns and the distribution of the cortical branches of the middle cerebral artery (MCA) in 100 cerebral hemispheres of Korean adults. The intracranial arteries were perfused with red latex compounds. The territory of the MCA was divided into 12 areas: orbitofrontal, prefrontal, precentral, central, anterior parietal, posterior parietal, angular, temporo -occipital, posterior temporal, middle temporal, anterior temporal and temporopolar. Branching pattern of the main trunk of the MCA was divided into five types: Type I: a single -trunk type of MCA in 34% of cases; Type II: bifurcation (57%); Type III: trifurcation (5%); Type IV: quadrifurcation (1%); Type V: two MCAs originated from the internal carotid artery (3%). The MCA of the bifurcation type was classified into equal bifurcation (20%), superior trunk dominant (11%) and inferior trunk dominant (26%) according to the cortical area. The superior trunk of the equal bifurcation supplied from the orbitofrontal to posterior parietal area. The outer diameter of the main trunk of the MCA was 3.15 +/-0.52 mm on average. The anatomical types of the MCA were discussed with the related symptoms in disease of the MCA.
Adult ; Arteries ; Carotid Artery, Internal ; Cerebrum ; Humans ; Latex ; Middle Cerebral Artery* ; Rabeprazole

PURPOSE: This study was conducted to determine if there is a corneal astigmatic change in patients with strong lid tension, such as essential blepharospasm. METHODS: Twenty-two eyes of 14 patients with blepharospasm who had undergone botulinum toxin A (Botox(R), Allergan) injection during the period February 2001 through January 2002 were included. The corneal astigmatic change was evaluated before injection and after 1st month and 6th month of injection by keratometric measurements. Corneal astigmatism was measured before and 1month after botulinum toxin A injection and changes of corneal astigmatism were checked using vector methods (corneal astigmatism change vector). RESULTS: The with-the-rule astigmatism group showed decreased average corneal astigmatism while the against-the-rule group showed increased astigmatism at 1month after injection. The corneal astigmatic change vector showed significantly greater against-the-rule change (16 eyes) than with-the-rule change (6 eyes) at 1 month after injection. CONCLUSIONS: We found that the corneal astigmatism was influenced by botulinum toxin A injection in patients with essential blepharospasm who seemed to have strong lid tension. Therefore it was proved that the corneal astigmatism was influenced by lid tension.
Astigmatism* ; Blepharospasm ; Botulinum Toxins* ; Humans

A questionnaire on a variety of ophthalmic topics was made up and sent to 150 members of the Korean Society of Cataract and Refractive Surgery-[KSCRS] in May, 1996. Forty percent [60/150] responded within the deadline in June, 1996. As the contents of the questionnaire were almost identical to the ones prepared in the USA [1994, 1995] and in Japan [1994], the answer to the questionnaire could be compared with those gathered from the USA and Japan. Over half of the respondents [57%] were in their forties. The average number of operations done per month was 26. Cataract operation accounted for over 60% of the total operations in 34% of KSCRS members. And more than 76% of the cataract operation were done using phacoemulsification technique in 31% of the respondents. There were no difference in the preferred method of local anesthesia for the cataract surgery in Korea compare to the USA or Japan. And there was less likelihood of using peribulbar anesthesia and no suture technique in Korea compared to the USA. Sixty-one percent of the Korean ophthalmic surgeon implanted the intraocular lenses even before the patients were younger than 20 years old whereas, 82% of ophthalmic surgeon in Japan did only when the patients were older than 20 years of age. For radial keratotomy as a means of correcting myopia, 91% of the Korean respondents were not performing the procedure any more, while 45% of the American respondents abandoned it. Fifty four percent of the Korean respondents and 46% of the American respondents have been doing excimer laser photorefractive keratectomy. There was no statistical difference between the two. From the answers to the qustionnaire, we found that our results did not differ significantly from those of the USA or Japan and we believe that these results reflect the present trends of cataract and refractive surgeries in Korea.
Anesthesia ; Anesthesia, Local ; Cataract* ; Surveys and Questionnaires ; Humans ; Japan ; Keratotomy, Radial ; Korea ; Lasers, Excimer ; Lenses, Intraocular ; Myopia ; Phacoemulsification ; Photorefractive Keratectomy ; Refractive Surgical Procedures* ; Suture Techniques ; Young Adult

No abstract available.
Cesarean Section* ; Female ; Pregnancy

No Abstract Available.
Humans ; Infant* ; Korea* ; Rotavirus* ; Sequence Analysis*

Primary spinal glioblastoma multiforme is very rare, especially in childhood. 13-year-old boy was admitted to our neurosurgical department because of paraparesis, sensory loss below T10 and sphincter disturbance. Thoracic myelogram showed complete obstruction at T10 level and total laminectomy with partial removal of the intramedullary cord tumor mass was performed under the impression of spinal cord tumor. Postoperatively, his symptoms and signs unchanged. Pathological diagnosis was intramedullary glioblastoma multiforme involving thoracic cord.
Adolescent ; Child* ; Diagnosis ; Glioblastoma* ; Humans ; Laminectomy ; Male ; Paraparesis ; Spinal Cord Neoplasms