Table 4.
Mean and standard deviations of medulla oblongata diameter values in groups divided by breed (Chihuahua, Maltese, Mixed, Pomeranian, Poodle, Shih Tzu, Yorkshire Terrier).
| Breed | MOHV | MOHC | RMOW | CMOW |
|---|---|---|---|---|
| Chihuahua (n = 9) | 5.95 ± 0.72 | 5.83 ± 0.38 | 18.61 ± 0.67 | 9.96 ± 1.25 |
| Maltese (n = 35) | 5.87 ± 0.52 | 5.60 ± 0.38 | 18.39 ± 0.79 | 9.68 ± 0.84 |
| Mixed (n = 11) | 6.49 ± 0.30 | 5.92 ± 0.40 | 19.43 ± 1.47 | 10.16 ± 0.74 |
| Pomeranian (n = 14) | 6.07 ± 0.49 | 5.58 ± 0.38 | 18.66 ± 1.25 | 9.87 ± 1.20 |
| Poodle (n = 22) | 6.39 ± 0.35 | 6.07 ± 0.41 | 19.52 ± 1.45 | 10.83 ± 1.25 |
| Shih Tzu (n = 19) | 6.02 ± 0.51 | 5.79 ± 0.31 | 19.44 ± 1.47 | 10.27 ± 1.04 |
| Yorkshire Terrier (n = 9) | 5.69 ± 0.47 | 5.76 ± 0.34 | 18.67 ± 0.91 | 10.23 ± 0.80 |
MOHV, medulla oblongata height at the fourth ventricle level; MOHC, medulla oblongata height at the CM junction; RMOW, rostral medulla oblongata width; CMOW, caudal medulla oblongata width.