TOPOGRAPHIC SEGREGATION OF GENIOGLOSSUS MOTONEURONS IN THE NEONATAL RAT

被引:22
作者
SOKOLOFF, AJ [1 ]
机构
[1] BROWN UNIV,POPULAT BIOL MORPHOL & GENET SECT,PROVIDENCE,RI 02912
关键词
GENIOGLOSSUS; WGA-HRP; MOTONEURON; DEVELOPMENT; MUSCULOTOPY; BRAIN-STEM; TONGUE; HYPOGLOSSAL;
D O I
10.1016/0304-3940(93)90683-C
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The location of the motoneurons that innervate the main tongue protrusor muscle, genioglossus, was studied in the 1-2 day old, 10-14 day old and adult rat. Following injection of the retrograde axonal tracer WGA-HRP into the genioglossus muscle, labeled neurons were localized to a discrete column within the ventral division of the hypoglossal nucleus in both the neonatal and adult rats. These results demonstrate an adult pattern of genioglossus innervation in the neonatal rat.
引用
收藏
页码:102 / 106
页数:5
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