• Journal of the Korean Society of School Health
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• v.3 no.1
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• pp.85-100
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• 1990

This study is an attempt to give basic information for sex maleducation, which is the integration of emotional, moral and social aspects as well as generative and physiological ones. It is concerned with both students and parents' sexual knowledge, attitude and need for sex education. The participants for this study are consisted of 193 parents, and 492 boys and girls high school students in Seoul. The main results of this study are as follows: 1. General Characteristics 66.5 percent of students is the girl and 38.8 percent of students is christian. Regarding parents age, 73.6 percent of them is 40~49 year old and 30.6 percent of them is Buddhist. 50.5 percent of them is graduated from high school, almost of them are keeping on being married(90.9%). 2. Sexual Knowledge: The boys score higher grade(average 8.98) than the girls. (average 7.51) (p<0.001) The Parents appear to record average 11.5, higher than the students' 8.01(p<0.01). However, there is no difference between them depending on their age, educational level or marital condition. 3. Sexual Attitude: The boys have more affirmative and positive feelings on the generative and physiological sides than girls. They also have a positive attitude to usual sides such as marriage, sexual intercourse and pregnancy, compared with girls. The girls have negative and irrecipient attitude to unusual sides like divorce, premarital sex or extramarital sex, while the boys are recipient(p<0.01). The parents' sexual attitude is positive feelings on the generative and physiological sides, and they also have a positive attitude to usual sides but they have a negative attitude to unusual sides. 4. Correlation between sexual knowledge and attitude Both the students and parents have positive correlation between sexual knowledge and attitude to generative and physiological sines and usual sides. The higher scores. of the sexual knowledge are, The more positive attitude they have. But parents only have positive carrelation between sexual knowledge and attitude to unusual sides. The lower scores of the sexual knowledge are, The more negative attitude they have. 5. More than half of the parents educate their high school children in sex: menstruation(75.0%), sexual hygiene (59.1%). intersexual fellowship(69.7%). marriage(62.0%) and chastity(51.9%) 6. Need for sexual education The students and the parents have almost the same opinions on this subject. Regarding pregnancy. delivery, family planning, dilatation and currettage and divorce, however, the students want to learn in high school. while the parents expect sex education later in high school.

• Parasites, Hosts and Diseases
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• v.33 no.3
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• pp.165-172
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• 1995

A transmission electron microscopic study was performed on the ultrastructure of the tegumental layer of GymophoLloines seoi (Digenea: Gymnophallidae) metacercarlae and adults. The metacercariae were obtained from naturally infected oysters, Crcssosoea gigas, and the adults from experimentally infected C3H mice. The tegumental layer generally revealed a small number of foldings, numerous small vacuoles, sines, and muscle bundles. Beneath the muscle layer, nuclei of the tegumental cells were located. There was little difference in the structure of the tegument between the metacercariae and adults. The oral sucker, having well-developed muscle layers, showed a similar structure to the ventral sucker except numerous foldlngs in the ventral sucker. The ventral pit was surrounded by a thin spcpiu layer, where a number of microtubules and mitochondria were seen. Around the ventral pit located well-developed circular and longitudinal muscles. The results showed that the ultrastructure of the tegumental layer of G. seoi metacercariae and adults revealed little difference from other trematodes in general. The ventral pit, a peculiar structure of this trematode, seems to function as a sphincter or an accessory adhesive organ.