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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2005.1
- 수록면
- 137 - 142 (6page)
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초록· 키워드
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To analyze the developmental changes in soma diameters of digastric motoneurons, wheat-germ agglutinin conjugated horseradish peroxidase (WGA-HRP) was injected into the digastric muscle and visualized the retrogradely HRP-labeled motoneurons through tungstate/tetramethylbenzidine (TMB) and following diaminobenzidine (DAB) reactions. The results obtained from Sprague-Dawley rats at postnatal days 1 (P1), 10 (P10) and 30 (P30) indicated as follows: firstly, soma diameters of digastric motoneurons showed unimodal distribution in all postnatal days examined; secondly, the period of P1 to P10 (period 1) showed about 2 times faster growth rate than that of P10 to P30 (period 2); thirdly, the smallest soma examined in each postnatal day exhibited slower growth rate with that of the largest one (increase ratio in soma diameters from P1 to P30, smallest vs. largest = 1.62 : 1.93); Finally, relative growth rates a day showed again that period 1 had faster growth rate than that of period 2. Consequently, developmental changes in soma diameters of digastric motoneurons resulted in very different growth rates between both periods. This implies that the growth of the soma is almost completing within P10 and thereafter growing slowly. The period 1 and 2 are corresponding to sucking and sucking/masticatory period, respectively. Therefore present study providing morphological changes in soma diameters of digastric motoneurons suggests that both periods and their different growth rates of the motoneurons in each period may closely be related with each other.
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등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Burke RE / 1977 / Anatomy of medial gastrocnemius and soleus motor nuclei in cat spinal cord 40 : 667 ~ 680
Chandler SH / 1982 / Intracellular analysis of synaptic mechanisms controlling spontaneous and cortically induced rhythmical jaw movements in the guinea pig 48 : 126 ~ 138
Conradi S / 1979 / Electron microscopic studies of serially sectioned cat spinal alpha-motoneurons.II.A method for the description of architecture and synaptology of the cel
Cragg BG / 1975 / The development of synapses in the visual system of the cat 160 : 14
Destombes J / 1992 / Alpha and gamma motoneurons in the peroneal nuclei of the cat spinal cord:an ultrastructural study 317 : 79 ~ 90
Chandler SH / 1982 / Intracellular analysis of synaptic mechanisms controlling spontaneous and cortically induced rhythmical jaw movements in the guinea pig 48 : 126 ~ 138
Conradi S / 1979 / Electron microscopic studies of serially sectioned cat spinal alpha-motoneurons.II.A method for the description of architecture and synaptology of the cel
Cragg BG / 1975 / The development of synapses in the visual system of the cat 160 : 14
Destombes J / 1992 / Alpha and gamma motoneurons in the peroneal nuclei of the cat spinal cord:an ultrastructural study 317 : 79 ~ 90
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