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Morphology of Golgi stained neurons in spinal cord of African giant pouched rat ( Cricetomys gambianus Waterhouse ) (89.2)
Author(s) -
Alawa Judith,
Salaudeen Rukayya,
Adetiba Bamidele,
Alawa Clement
Publication year - 2014
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.28.1_supplement.89.2
Subject(s) - soma , anatomy , dendrite (mathematics) , spinal cord , french horn , golgi apparatus , biology , morphology (biology) , dorsum , lumbosacral joint , microbiology and biotechnology , neuroscience , psychology , pedagogy , geometry , mathematics , endoplasmic reticulum , genetics
The spinal cord of the adult African Giant Pouched rat was studied using the rapid Golgi technique in order to get further clarification on the morphology of the neuronal cell types based on soma size, shape, dendritic density and aborization. Two main types of cells were observed to characterize the dorsal grey horn: Type 1 cells are the islet cells which were distinguished by triangulated or globular‐ shaped soma with one thick “axoniform” primary dendrite bifurcating into a Y or T secondary branches indicative of local integrating functions. They resembled the pseudounipolar cells of the dorsal root ganglion and were predominant in the cervical segments. Type 2 cells were stalked cells with several dendrites and round or polygonal soma and these were predominant in the thoracic and lumbosacral segments. The ventral grey horn demonstrated multipolar neurons with dendritic arborization arranged in a radiating or tuft‐like manner. Some cells had sparse dendrites while some other cells demonstrated unique features of a double‐pyramidal cell (conjoined neurons) joined at their apical dendrites with sparse dendritic arborization. These cells were predominant in the thoracic segment and have not been previously described. These findings give some new insight on the morphology of neurons in the spinal cord of one of the largest and unique muroids in the world. Grant Funding Source : Supported by Grant from Ahmadu Bello University, Zaria Kaduna State. Nigeria