Distribution of Dendrites from Longissimus Lumborum Motoneurons Stained Intracellularly with Biocytin in Adult Cats

Journal of Veterinary Medical Science

Futoshi MORI¹  Yasuhiro WADA²  Akihisa SUWA¹  Hirofumi MIYATA³  Keiko MITSUOKA¹  Megumi GOTO²  Naomi WADA¹ 

[1] Laboratory of System Physiology, Veterinary Medical School, Yamaguchi University;The United Graduate School of Veterinary Science, Yamaguchi University;Department of Biological Science, Faculty of Agriculture, Yamaguchi University

关键词: biocytin;    feline;    motoneurons;    postsynaptic potentials;    trunk muscles;   

DOI  :  10.1292/jvms.10-0021

学科分类：兽医学

来源: Japanese Society of Veterinary Science

【 摘 要 】

References(25)The three-dimensional distribution of dendrites from motoneurons innervating longissimus lumborum (Long Motoneurons) in the L4 spinal segment was examined in the adult cat using intracellular staining techniques. Long Motoneurons were electrophysiologically identified, stained with injection of biocytin and reconstructed from serial histological sections. Somas of Long Motoneurons were mainly located in the lateral-ventral area of the ventral horn. The dendritic distribution followed an orderly pattern in all motoneurons examined. Long Motoneurons showed a multi-directional distribution of dendrites, and the dendritic distribution pattern varied depending on the motoneuron. All studied motoneurons distributed dendrites from the spine into the white matter. The most significant morphological characteristic of the Long Motoneurons was the variation in their dendritic distribution. No relationship was observed between the effects of peripheral afferent inputs from the hindlimb and morphological characteristics of motoneurons.

【 授权许可】

Unknown