Golgi-type I and Golgi-type II Neurons in the Ventral Anterior Thalamic Nucleus of the Adult Human: Morphological Features and Quantitative Analysis |
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Authors: | Saleh?M?Al-Hussain Qasim?A?El-Dwairi Ziad?M?Bataineh Mohammad?S?Al-Haidari Jamil?Al-Alami |
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Institution: | (1) Department of Anatomy, Faculty of Medicine, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan;(2) Department of Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, P.O. Box 3030, Irbid, 22110, Jordan |
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Abstract: | The morphological and quantitative features of neurons in the adult human ventral anterior thalamic nucleus were studied in
Golgi preparations. Two neuronal types were found and their quantitative features were studied. Golgi-type I neurons were
medium to large cells with dense dendritic trees and dendritic protrusions and short hair-like appendages. They have somatic
mean diameter of 30.8 μm (±9.4, n = 85). They have an average 100.3 dendritic branches, 48.97 dendritic branching points, and 58.85 dendritic tips. The mean
diameters of their primary, secondary, and tertiary dendrites were 3.1 μm (±1, n = 80), 1.85 μm (±0.8, n = 145), and 1.5 μm (±0.4, n = 160), respectively. Golgi-type II neurons were small to medium cells with few sparsely branching dendrites and dendritic
stalked appendages with or without terminal swellings. They have somatic mean diameters of 22.2 μm (±5.8, n = 120). They have an average 33.76 dendritic branches, 16.49 dendritic branching points, and 21.97 dendritic tips. The mean
diameters of their primary, secondary, and tertiary dendrites were 1.6 μm (±0.86, n = 70), 1.15 μm (±0.55, n = 118), and 1 μm (±0.70, n = 95), respectively. These quantitative data may form the basis for further quantitative studies involving aging or some
degenerative diseases that may affect cell bodies and/or dendritic trees of the Golgi-type I and/or Golgi-type II thalamic
neurons. |
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Keywords: | Human Thalamus Ventral anterior Neurons Golgi |
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