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. 2013:2013:734923.
doi: 10.1155/2013/734923. Epub 2013 Feb 7.

The segmental morphometric properties of the horse cervical spinal cord: a study of cadaver

Sadullah Bahar  1 , Durmus Bolat, Muhammet Lutfi Selcuk
Affiliations

The segmental morphometric properties of the horse cervical spinal cord: a study of cadaver

Sadullah Bahar et al. ScientificWorldJournal. 2013.

Abstract

Although the cervical spinal cord (CSC) of the horse has particular importance in diseases of CNS, there is very little information about its segmental morphometry. The objective of the present study was to determine the morphometric features of the CSC segments in the horse and possible relationships among the morphometric features. The segmented CSC from five mature animals was used. Length, weight, diameter, and volume measurements of the segments were performed macroscopically. Lengths and diameters of segments were measured histologically, and area and volume measurements were performed using stereological methods. The length, weight, and volume of the CSC were 61.6±3.2 cm, 107.2±10.4 g, and 95.5±8.3 cm3, respectively. The length of the segments was increased from C1 to C3, while it decreased from C3 to C8. The gross section (GS), white matter (WM), grey matter (GM), dorsal horn (DH), and ventral horn (VH) had the largest cross-section areas at C8. The highest volume was found for the total segment and WM at C4, GM, DH, and VH at C7, and the central canal (CC) at C3. The data obtained not only contribute to the knowledge of the normal anatomy of the CSC but may also provide reference data for veterinary pathologists and clinicians.

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Figures

Figure 1
Figure 1
Gross-section of the spinal cord (scanned image), central canal (microscopic image), and measurements of area (point counting method) and diameter performed on image. Transversal diameter (TD), vertical diameter (VD), dorsal horn (DH), ventral horn (VH), transversal diameter of central canal (TDCC), vertical diameter of central canal (VDCC). Red points are used to calculate the area of gross section, green points are used to measure the area of dorsal horn, and yellow points are used to calculate the area of ventral horn.
Figure 2
Figure 2
Length (a), diameters (b and c), and compression ratio (d) of cervical spinal cord segments. (a–e) Different letters on the top of columns of the same colour are statistically significant (Duncan test, P < 0.05, mean ± SE).
Figure 3
Figure 3
Grey matter (GM), dorsal horn (DH), and ventral horn (VH) of the segments, area (a), volume (b), and area ratio (GM/GS, DH/GM, and VH/GM) (c).
See this image and copyright information in PMC

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