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동면중인 박쥐의 시상하부에 대한 전자현미경적 연구 I. 신경세포의 미세구조
강호석,오영근,조병필,이영돈,Kang, H.S.,Oh, Y.K.,Cho, B.P.,Lee, Y.D. 한국현미경학회 1985 Applied microscopy Vol.15 No.2
The posterior hypothalamus of the hibernating greater horseshoe bats (Rhinolophus ferrumequinum korai Kuroda) were observed with an electron microscope. The posterior hypothalamus is known to be closely related to the reflex responses activated by cold, and the following observations were obtained in the cellular type of nerve cells: there are three types of neurons in the posterior hypothalamus. 1. The first type of neuron was the largest, ovoid or conical in shape, the nucleus was elliptic and the nuclear envelope had many deep invaginations. The cell organelles were well developed, in particular there was an abundance of variously shaped mitochondria, and the Golgi complex and the polysomes were observed in the cytoplasm. 2. The second type of neuron was moderate in size, ovoid or elliptic in shape, the nucleus was located nearer to the plasma membrane and the nuclear envelope had. a few invaginations. The cytoplasm was rich in amount compared with that of the third type of neuron, and the cell organelles, especially the rough endoplasmic reticulum were well developed. Also lipofuscin pigments were observed. 3. The third type of neuron was the smallest in size and round in shape. The nucleus and the nucleolus were observed in the central portion of the cell body and the nuclear envelope had a few invaginations. The cytoplasm was small compared with those of the first and second types, but the rough endoplasmic reticulum, the mitechondria and the polysomes were relatively well developed. The cytoplasm was characterized by the presence of membrane-bound small bodies with a single membrane containing a fine particular substance around the rough endoplasmic reticulum and the Golgi complexes.
한국 기초의학 과정중 병원봉사 실습제 도입에 관한 연구
문창현(C H Moon),이성낙(S N Lee),임인경(I K Lim),김형일(H I Kim),이영돈(Y D Lee),전기홍(K H Jeun) 한국의학교육학회 1990 Korean journal of medical education Vol.2 No.2
Given the social responsibility of the medical profession, education for human understanding is perceived as one of the absolute requirements in the curriculum of medical colleges. In order to fulfill this requirement as least partially Ajou University College of Medicine had carried out HSTP for the first time in Korea during the first three years of the six-year-medical education. This program has provided an excellent opportunity for the student to experience many different aspects of the hospital, including patient care and early informal contacts with the hospital staff, and to understand the general management of medical institutions. HSTP is planned to run for 8 weeks during summer or winter vacation and is divided into two or three separate periods of practice in general hospitals. It started during the 1990 summer vacation with 81 students (91% of total enrollment) assigned to 14 different hospitals. The training performance was evaluated and analyzed using questionnaires and interviews with participating students and hospital staffs. According to the survey results, students appreciated the opportunity for an early enhancement of human relationships with hospital staffs. Moreover, before-and-after test results showed that students had experienced a change in their perceptions of different aspects of the medical profession. These findings seem to verify the positive effects of the HSTP both in education and practice. Rotating assignments to several departments has especially helped students to understand various hospital functions and made it easier to continue their clinical clerkship. Overall responses of students and hospitals to the implementation of this program were very positive (students 82%, medical doctors 89%, nursing staff 85%), although significant differences were observed between the experienced doctor group (positive responses) and the young resident group (negative). Hospitals in general seem to agree that the HSTP is a good approach to access and solve the current problems facing the medical professionals. Moreover, they promised to support this program continuously. There are several factors tob considered for improvement of the current program, such as standardization of training conditions and extension of each training term in a hospital. In conclusion, HSTP seems to be an effective complement to the education for human understanding in medical education in Korea.
유재홍 ( J H Yoo ),심명용 ( M Y Shim ),이전규 ( J K Lee ),이영돈 ( Y D Lee ),주진호 ( J H Joo ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2015 강원 농업생명환경연구 Vol.27 No.3
Organic agriculture is holistic production management systems which promote and enhance agro ecosystem health, including biodiversity, biological cycles, and soil biological activity. The Codex guidelines have been prepared for the purpose of providing an agreed approach for the requirements which underpin production of the labelling and claims for, organically produced foods. These guidelines set out the principles of organic production at farm, preparation, storage, transport, labelling and marketing stages, and provides an indication of accepted permitted inputs for soil fertilizing and conditioning, plant pest and disease control and, food additives and processing aids. Any substances used in an organic farming system for soil fertilization and conditioning, pest and disease control should comply with the relevant national regulations. The permitted substances for organic agriculture according to Environmental friendly Agriculture Promotion Act in Korea are 43 substances for use in soil fertilizing and conditioning and 42 substances for plant pest and disease control.