The primary objective of this study was to define the differences that exist. between different sexes on the dentoskeletal framework and the soft tissue profile around the mouth. For the purpose of this study, cephalometric radiographs were obtained from the centric occlusion with closed lip position, through the research on each 42 males and females aged from 17 to 22 years with normal occlusion and acceptable facial appearence. The results were as follows: 1. Maxillary to mandibular relationships. Among the angles formed by the long axis of the maxillary and mandibular anterior teeth, the maxillary and mandibular anterior alveolar bone, and the lower and upper lips (Fig.2), only the angle formed by the lips was more acute in males than in females. The males have a more rounded profile, and the females have a flatter profile in the lower third of the face. The differences is statistically significant for the angle formed by the lips. The fact that the lips have a difference greater than that of teeth or the alveolar bone indicates that the lip position is not entirely due to tooth and bony support. Possibly the thickness of the lips has an influence. 2. Occlusal plane. The occlusal plane was related to the anterior tooth inclination, anterior alveolar bone profile, and the lip contour, both maxillary and mandibular (Fig.3). Only the angle related to lower lip was statistically significant. The females again had the more obtuse angle, indicating a flatter profile than that of the males. 3.Skeletal planes. The angles formed by the anterior maxillary lips, teeth, and alveolar bone with the Frankfort plane and the angles of the mandibular lips, teeth, and, alveolar bone and the mandibular plane were investigated (Fig.4). Results were similar to those from maxillary to mandibular relationships. The results were statistically significant for the upper lip and the lower lip, only. 4. Esthetics. The facial line and the mandibular plane were compared with the esthetic line. These angles were different for the different sexes, but only the latter was statistically significant. This difference may be due to the profile contour of the nose.
Journal of Korean Academy of Oral and Maxillofacial Radiology
/
v.8
no.1
/
pp.49-61
/
1978
A study was made to investigate a relationship existing in the dentoskeletal framework and the soft tissue profile around the face, and compare the sexual differences between boys and girls having the normal occlusion in the mixed dentition. The lateral cephalograms were composed of 67 boys aged 10.3 years and 68 girls aged 10.4 years, respectively. By means of the lateral cephalograms, both the hard-and soft tissue structures were simultaneously analyzed, measured and evaluated by introducing the several reference items: S-N plane, palatal plane, mandibular plane, N-A line and A-P line for the dentoskeletal structures and N’-P’line for the soft tissue, and the 21 measuring points for the both structures. The significant findings were as follows: 1. In general the boys showed the larger nasal component dimension than did the girls, but the length and height of nose(N’-Prn and NA-Prn) showed the significant sexual difference among those when evaluated statistically. 2. The lip-thickness was found to be minimal in the region of nasion, greater in the region of pogonion, and much greater in the region of point A in the both sexes, but the only thickness over point A(A-A’) showed the significant sexual difference statistically. 3. The upper and lower lip position were found to be located anteriorly to the esthetic line in the both sexes, but upper lip position showed the significant sexual difference when evaluated statistically. 4. The regions of nose and upper lip had a tendency not to be following the underlying skeletal profile.
Journal of the Korean Society of Clothing and Textiles
/
v.26
no.10
/
pp.1424-1435
/
2002
This study is about women's veils from Chosen period housed in various museums and see how they reflect the escalating inequality between the two sexes based on Confucianism and its social ramifications including the strict rules that kept women from freely communicating or staying in same quarters with men from tender age. I first visited various museums to see what kind of veils they had in their collections and then looked at reproductions, museum catalogues, and other studies to get a better understanding of the designs, colors, and fabrics of the veils in each collection and came to following conclusions:. 1. I looked at 26 veils of 7 different sues both in person and in museum catalogues, and they included a Neouls,3 Myunsas, l2Jahngots,4 Chuneuis,1 Sahkgat 3Junmos, and 1 Garima. Various documents attest to the existence of one more style of veil,1. e. skirt-shaped veil, but there was no specimen of the type. 2. Museums had various types of veils for women, but most of them dated from late Chosun period. 3. Female veils in Chosun period had dearly-defined characteristics depending on their wearers. Each type had its own fabric color, and form, so one could tell the status of the wearer just by looking at it 4. The veils that I found at museums around the country had following characteristics: . Neoul was worn by high-class women and it covered up the face better than other types of veils. Myunsa was also caned Myunsapo, and it featured brilliant gold foils to mark the salted status of the wearer. Jahngot was originally a robe for both sexes but it turned into a type of veil for low-class females in late am period and there were more Jangots in museum collections than my other type of veils. Chuneui has various styles and it has a cotton lining so low-class women wore it to both cover the face and to stay worn Sahkgat was worn by low-class women for its convenience. Junmo was elaborately decorated and showy, and it was worn by courtesans. Garima was worn by courtesans or professional women in medicine, and unlike other type of veils, it showed the face of the wearer.
A method for sex determination of pigs was examined using polymerase chain reaction(PCR). Sex determining region Y(SRY) gene encoded on Y chromosome plays a key role for primary male development. Zinc finger X-Y(ZFX-ZFY) gene, one of the X-V homology gene group was found on the X and Y chromosomes, respectively, We tested for molecular sexing by amplification patterns of SRY and ZF genes. Genomic DNAs from various resources including porcine hairs and semen collected from domestic pig breeds and native pigs was used for PCR assay of each gene. The amplified products for porcine SRY gene were yielded only in males but not in females. On the other hand, two differential patterns were observed in amplification of ZF gene reflecting the chromosomal dimorphism by a length polymorphism between X and Y chromosomes. Of both, a common band was detected in all individuals tested so that this band might be amplified from ZFX gene as a PCR template, but another is specific for males indicated that from ZFY. The result of PCR assay provides identical information to that from investigation of phenotypic genders of the pigs tested. We suggest that this PCR strategy to determine porcine sexes using comparison of the amplification patterns of the SRY gene specific for Y chromosome and the dimorphic ZF gene between X and Y chromosomes may be a rapid and precise method for discrimination of two sexes and applied to DNA analysis of small samples such as embryonic blastomere, semen, and hairs.
Objectives : This cross-sectional study aimed to quantify the relationship between the bone mineral density at the os calcis and the body mass composition in healthy children. Methods : The areal bone mineral density was measured at the os calcis with peripheral dual energy X-ray absorptiometry. The fat free mass, fat mass and percentage fat mass were measured using bioelectric impedance, in 237 Korean children, aged 9 to 12 years. The sexual maturity was determined by self assessment, using standardized series of the 5 Tanner stage drawings, accompanied by explanatory text. Results : From multiple linear regression models, adjusted for age, sexual maturity and height, the fat free mass was found to be the best predictor of the calcaneal bone mineral density in both sexes. About 15 and 20% variabilities were found in the calcaneal bone mineral densities of the boys and girls, respectively, which can be explained by the fat free mass. After weight adjustment, the percentage fat mass was negatively associated with the calcaneal bone mineral density in both sexes. Conclusions : The findings of this study suggest that the fat free mass, among the body compositions, is the major determinant of bone mineral density at the os calcis in Korean children aged 9 to 12 years. Obesity, defined as the percentage fat mass, is assumed to have a negative effect on the calcaneal bone density in children of the same weight.
This study was conducted to evaluate the repeated dose toxicity of DA-3030, a recombinant human granulocyte colony stimulating factor(rhG-CSF), in rats. DA-3030 was administered intravenously once a day for 4 weeks to 20 males and 20 females per group at doses of 0(control), 115 and 1150 $\mu\textrm{g}$/kg, and to 15 males and 15 females per group at doses of 1.15 and 11.5$\mu\textrm{g}$/kg. After the administration period, 5 males and 5 females per group in the 0,115 and 1150 $\mu\textrm{g}$/kg groups were placed on withdrawal for 2 weeks. Through-out the study, all the rats survived. The administration of DA-3030 induced, a marked increase in the number of peripheral neutrophils, elevation of serum alkaline phosphatase activity, and splenomegaly in the rats of both sexes receiving 115 or 1150 $\mu\textrm{g}$/kg. Histopathologic examination revealed extramedullary granulopoiesis in spleen and liver, and increase in the number of activated macrophages in spleen in rats of both sexes in 115 and 115 $\mu\textrm{g}$/kg groups, and increased M/E ratio in 11.5, 115 and 1150$\mu\textrm{g}$/kg groups. Most of the changes produced by DA-3030 were thought to be attributable to exaggerated pharmacological effect of the drug, and subsided or disappeared after the recovery period. Under the present condition, no effect dose of DA-3030 is estimated at 1.15 $\mu\textrm{g}$/kg/day.
This survey was carried out to study the relationship between observable factor such as anthropometry, blood pressure, food habit, the score of THI and diseases of 459 persons (male: 188, female: 271) aged 60 and over in the rural area of Kurye - Gun Chonnam from April 28 to May 1, 1986. The results obtained were as follo\ulcornerws 1) Body weight and height was below Korean average. The mean obesity rate in male and female showed -2.3% and 3.4%, respectively, and BMI showed 25.8 and 26.0 respectively. 2) The systolic and diastolic blood pressure was normal in both sexes. The pro opotion of hypertension by WHO level showed 19.6% and 20.3% in male and fem\ulcornerale, respectively_ The proportion of anemia showed 57.9% and 41.7% in male and female, respectively. The concentration of total protein, albumin, cholesterol and gl\ulcornerucose and white blood cell number showed normal range in both sexes. 3) The proportion of the disease showed 68% of male and 83% of female and among them 50% of male and 43% of female suffered from one kind of disease and there are more female who suffered from many kinds of diseases than male. The most common disease is neuralgia and nexts are digestive diseases, diabetes melli\ulcornertus, urinary disturbance, motion disturbance, arthritis, respiratory diseases, tubecu\ulcornerlosis and hepatitis. 4) There was a significant correlation between body height and weight and the score of food habit. 5) There was a considerable relation between the score of each item of TIll and the status of diseases. 6) There appeared profound relation between obesity rate and the data of anth\ulcornerropometry, but weak relation between that and blood constituents, and no relation between that and the score of food habit.
Park, Jong-Won;Shin, Dong-Hoon;Lee, Mi-Young;Suh, Suk-Kwon
Journal of Preventive Medicine and Public Health
/
v.28
no.3
s.51
/
pp.543-550
/
1995
The authors conducted a cross-setional study to evaluate the differences of screening test results between clerks and laborers in an occupational health center in Taegu, 1992. A total of 10, 207 workers was included in the study. Of these, male were 6,597 and female 3,610. Constitutional variables included were items of health examination and some confounding variables(sex, age, body weight and work duration). All analyses were conducted separately for each sex through the use of multiple logistic regression analysis on occupation, controlling for age, work duration, and body weight. Laborers showed abnormal hearing test more often than clerks in both sexes. The blood pressure that showed statistical significance in univariate analysis in both sexes lost its significance after controlling covariates. Liver function and urine protein had statistically significant differences between two occupational groups in males and visual correction did in females. The results suggest that there are differences clerks and laborers in some of screening tests and analytic studies are needed to identify the causes of the differences.
The Journal of the Korean life insurance medical association
/
v.2
no.1
/
pp.101-115
/
1985
In Med Dept. Daehan Education Insurance, Total 690 cases(male 376 cases, female 314 cases) were inspected to study the change of serum lipid value. The objects of investigation were total cholesterol, HDL cholesterol, triglyceride, phospholipid and total lipid value. The results are as follows: 1) In the normal subjects, with the relation of serum lipid value and the age. triglyceride, phospholipid and total lipid value showed the increasing tendency by 70 age, but total cholesterol value and HDL cholesterol value showed the increasing tendency by 59 age and the decreasing tendency after 59 age. 2) In the normal subject the difference of serum lipid value between sexes did not make the significant difference of level statistically in all items which can be inspected. 3) The weight change and serum lipid value are very significantly related. Total cholesterol, HDL cholesterol and total lipid value are high in female if the weight is light. But they are high in male the weight is heavy phospholipid value is opposite to the above result. Triglyceride value is high in male regardless the weight, but the significant difference happened in the high weight group. 4) As serum lipid value of hypertension patients is compared with that of the normal subjects, HDL cholesterol, triglyceride, phospholipid and total lipid value are significantly high. 5) The doubtful group of the fatty infittration of liver among the hypertension pafients have very significant difference in serum lipid value compared with not only the value of the normal subject but also that of the obesity group. 6) The doubtless group of the fatty infitration of liver among the hypertension patients have the significant difference in all serum lipid value compared with that of the normal subject, but compared with the obesity group males had the significant difference of HDL cholesterol value and both sexes had the significant difference in total lipid value, but had no significant difference in total cholesterol, triglyceride and phosprolipid value. 7) The ratio of total cholesterol per HDL cholesterol had the significant difference in the doubtful hypertension patients of the fatty infittration of liver and the relative weight, but it had no significant difference compared with the normal subject in the doubtless hypertension patients.
Purpose: Obesity has been associated with higher total blood mercury levels, based on animal studies; however, studies that focus on children and adolescents are lacking. We aimed to assess the association between total blood mercury levels and the incidence of overweight and abdominal obesity in Korean adolescents. Methods: The study population comprised 1,567 adolescents (793 boys and 774 girls; aged 10-19 years), who participated in the Korea National Health and Nutrition Examination Survey 2010-2013. We analyzed total blood mercury levels according to obesity status in all participants. Results: The geometric mean of total blood mercury levels was $1.93{\mu}g/L$. Participants with overweight ($2.20{\mu}g/L$) and obesity ($2.17{\mu}g/L$) had higher levels than those with normal weight ($1.86{\mu}g/L$, P<0.0001). The prevalence of overweight significantly increased with elevation of the total blood mercury quartile in both sexes. Increased incidence of abdominal obesity corresponding to increased total blood mercury level was observed in boys. After adjusting for covariates, those in the highest total blood mercury quartile were found to be at higher risk of overweight/obesity than those in the lowest quartile in both sexes (odds ratio [95% confidence interval]: boys, 3.27 [1.66-6.41]; girls, 1.90 [1.03-3.49]). The association between total blood mercury quartile and abdominal obesity was significant after controlling for covariates in boys (2.35 [1.05-5.24]). Conclusion: Our results suggest an association between total blood mercury levels and overweight in Korean adolescents.
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